10102111012 has 24 divisors (see below), whose sum is σ = 20211773120. Its totient is φ = 4327858080.

The previous prime is 10102111003. The next prime is 10102111049. The reversal of 10102111012 is 21011120101.

It is a self number, because there is not a number n which added to its sum of digits gives 10102111012.

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, 10414 + ... + 142522.

Almost surely, 2^10102111012 is an apocalyptic number.

It is an amenable number.

10102111012 is an abundant number, since it is smaller than the sum of its proper divisors (10109662108).

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

10102111012 is a wasteful number, since it uses less digits than its factorization.

10102111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134851 (or 134849 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10102111012 its reverse (21011120101), we get a palindrome (31113231113).

The spelling of 10102111012 in words is "ten billion, one hundred two million, one hundred eleven thousand, twelve".