10111211101012 has 48 divisors (see below), whose sum is σ = 20360522649600. Its totient is φ = 4303790035200.

The previous prime is 10111211101009. The next prime is 10111211101027. The reversal of 10111211101012 is 21010111211101.

It is a junction number, because it is equal to n+sod(n) for n = 10111211100983 and 10111211101001.

It is a congruent number.

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, 36705712 + ... + 36980152.

It is an arithmetic number, because the mean of its divisors is an integer number (424177555200).

Almost surely, 2^{10111211101012} is an apocalyptic number.

It is an amenable number.

10111211101012 is an abundant number, since it is smaller than the sum of its proper divisors (10249311548588).

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

10111211101012 is a wasteful number, since it uses less digits than its factorization.

10111211101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283432 (or 283430 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 10111211101012 its reverse (21010111211101), we get a palindrome (31121322312113).

The spelling of 10111211101012 in words is "ten trillion, one hundred eleven billion, two hundred eleven million, one hundred one thousand, twelve".