20101001111012 has 48 divisors (see below), whose sum is σ = 36869215353600. Its totient is φ = 9570827756160.

The previous prime is 20101001110919. The next prime is 20101001111027. The reversal of 20101001111012 is 21011110010102.

It is a junction number, because it is equal to n+sod(n) for n = 20101001110984 and 20101001111002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377322314 + ... + 377375582.

It is an arithmetic number, because the mean of its divisors is an integer number (768108653200).

Almost surely, 2^{20101001111012} is an apocalyptic number.

It is an amenable number.

20101001111012 is a deficient number, since it is larger than the sum of its proper divisors (16768214242588).

20101001111012 is a wasteful number, since it uses less digits than its factorization.

20101001111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71436 (or 71434 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 20101001111012 its reverse (21011110010102), we get a palindrome (41112111121114).

The spelling of 20101001111012 in words is "twenty trillion, one hundred one billion, one million, one hundred eleven thousand, twelve".