101002111212 has 12 divisors (see below), whose sum is σ = 235671592856. Its totient is φ = 33667370400.

The previous prime is 101002111211. The next prime is 101002111247. The reversal of 101002111212 is 212111200101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×101002111212² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 8416842601 = 101002111212 / (1 + 0 + 1 + 0 + 0 + 2 + 1 + 1 + 1 + 2 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (101002111211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4208421289 + ... + 4208421312.

Almost surely, 2^101002111212 is an apocalyptic number.

101002111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101002111212 is an abundant number, since it is smaller than the sum of its proper divisors (134669481644).

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

101002111212 is a wasteful number, since it uses less digits than its factorization.

101002111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8416842608 (or 8416842606 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101002111212 its reverse (212111200101), we get a palindrome (313113311313).

The spelling of 101002111212 in words is "one hundred one billion, two million, one hundred eleven thousand, two hundred twelve".