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10022121011220 = 223547103318110847
BaseRepresentation
bin1001000111010111010011…
…1101100111100000010100
31022111002211211211001111020
42101311310331213200110
52303200300434324340
633152033203041140
72053034334005343
oct221656475474024
938432754731436
1010022121011220
1132143a304217a
12115a4300701b0
1357910b099786
14269104dadb5a
15125a71ec69d0
hex91d74f67814

10022121011220 has 192 divisors, whose sum is σ = 28949009596416. Its totient is φ = 2589254300160.

The previous prime is 10022121011179. The next prime is 10022121011263. The reversal of 10022121011220 is 2211012122001.

10022121011220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10022121011220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 923947837 + ... + 923958683.

It is an arithmetic number, because the mean of its divisors is an integer number (150776091648).

Almost surely, 210022121011220 is an apocalyptic number.

10022121011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10022121011220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14474504798208).

10022121011220 is an abundant number, since it is smaller than the sum of its proper divisors (18926888585196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10022121011220 is a wasteful number, since it uses less digits than its factorization.

10022121011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14190 (or 14188 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10022121011220 its reverse (2211012122001), we get a palindrome (12233133133221).

The spelling of 10022121011220 in words is "ten trillion, twenty-two billion, one hundred twenty-one million, eleven thousand, two hundred twenty".