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10202111020212 = 2233722977727523
BaseRepresentation
bin1001010001110101110100…
…1101000000110010110100
31100010022102122202212122120
42110131131031000302310
52314122410410121322
633410441325355540
72102035551564216
oct224353515006264
940108378685576
1010202111020212
11328376677aa21
1211892a2408bb0
13590093923587
14273adb7285b6
1512a5a88a9a5c
hex9475d340cb4

10202111020212 has 24 divisors (see below), whose sum is σ = 24448302085536. Its totient is φ = 3308792763168.

The previous prime is 10202111020201. The next prime is 10202111020219. The reversal of 10202111020212 is 21202011120201.

It is a super-2 number, since 2×102021110202122 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10202111020191 and 10202111020200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202111020219) 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, 11488863318 + ... + 11488864205.

It is an arithmetic number, because the mean of its divisors is an integer number (1018679253564).

Almost surely, 210202111020212 is an apocalyptic number.

10202111020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10202111020212 is an abundant number, since it is smaller than the sum of its proper divisors (14246191065324).

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

10202111020212 is a wasteful number, since it uses less digits than its factorization.

10202111020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22977727567 (or 22977727565 counting only the distinct ones).

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

Adding to 10202111020212 its reverse (21202011120201), we get a palindrome (31404122140413).

The spelling of 10202111020212 in words is "ten trillion, two hundred two billion, one hundred eleven million, twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 22977727523 45955455046 68933182569 91910910092 137866365138 275732730276 850175918351 1700351836702 2550527755053 3400703673404 5101055510106 10202111020212