10001020111012 has 24 divisors (see below), whose sum is σ = 20005081800704. Its totient is φ = 4285499709312.

The previous prime is 10001020111003. The next prime is 10001020111031. The reversal of 10001020111012 is 21011102010001.

It is a self number, because there is not a number n which added to its sum of digits gives 10001020111012.

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, 26969508 + ... + 27337819.

Almost surely, 2^{10001020111012} is an apocalyptic number.

It is an amenable number.

10001020111012 is an abundant number, since it is smaller than the sum of its proper divisors (10004061689692).

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

10001020111012 is a wasteful number, since it uses less digits than its factorization.

10001020111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54313915 (or 54313913 counting only the distinct ones).

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

Adding to 10001020111012 its reverse (21011102010001), we get a palindrome (31012122121013).

The spelling of 10001020111012 in words is "ten trillion, one billion, twenty million, one hundred eleven thousand, twelve".