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10021222201020 = 2235167020370017
BaseRepresentation
bin1001000111010011111101…
…1000111011011010111100
31022111000112012112202200120
42101310333120323122330
52303141430340413040
633151404054254540
72053003141153422
oct221647730733274
938430465482616
1010021222201020
113213a81752828
12115a21b057450
13578cc6acb814
1426905b883112
15125a1d1327d0
hex91d3f63b6bc

10021222201020 has 24 divisors (see below), whose sum is σ = 28059422163024. Its totient is φ = 2672325920256.

The previous prime is 10021222201009. The next prime is 10021222201031. The reversal of 10021222201020 is 2010222212001.

It is an interprime number because it is at equal distance from previous prime (10021222201009) and next prime (10021222201031).

It is a super-2 number, since 2×100212222010202 (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83510184949 + ... + 83510185068.

It is an arithmetic number, because the mean of its divisors is an integer number (1169142590126).

Almost surely, 210021222201020 is an apocalyptic number.

10021222201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021222201020 is an abundant number, since it is smaller than the sum of its proper divisors (18038199962004).

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

10021222201020 is a wasteful number, since it uses less digits than its factorization.

10021222201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167020370029 (or 167020370027 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10021222201020 its reverse (2010222212001), we get a palindrome (12031444413021).

The spelling of 10021222201020 in words is "ten trillion, twenty-one billion, two hundred twenty-two million, two hundred one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 167020370017 334040740034 501061110051 668081480068 835101850085 1002122220102 1670203700170 2004244440204 2505305550255 3340407400340 5010611100510 10021222201020