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11122102122220 = 2254491238541439
BaseRepresentation
bin1010000111011001000011…
…1100100011011011101100
31110101021002102100011101101
42201312100330203123230
52424211031120402340
635353231223452444
72225355026122045
oct241662074433354
943337072304341
1011122102122220
1135a8947771621
1212b76555b7124
13628a6ac9020b
142a6453b5b8cc
151444a0e95c9a
hexa1d90f236ec

11122102122220 has 24 divisors (see below), whose sum is σ = 23408433216000. Its totient is φ = 4438932513792.

The previous prime is 11122102122211. The next prime is 11122102122221. The reversal of 11122102122220 is 2222120122111.

11122102122220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11122102122221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619261740 + ... + 619279699.

It is an arithmetic number, because the mean of its divisors is an integer number (975351384000).

Almost surely, 211122102122220 is an apocalyptic number.

11122102122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122102122220 is an abundant number, since it is smaller than the sum of its proper divisors (12286331093780).

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

11122102122220 is a wasteful number, since it uses less digits than its factorization.

11122102122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238541897 (or 1238541895 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11122102122220 its reverse (2222120122111), we get a palindrome (13344222244331).

The spelling of 11122102122220 in words is "eleven trillion, one hundred twenty-two billion, one hundred two million, one hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 449 898 1796 2245 4490 8980 1238541439 2477082878 4954165756 6192707195 12385414390 24770828780 556105106111 1112210212222 2224420424444 2780525530555 5561051061110 11122102122220