10111220202012 has 24 divisors (see below), whose sum is σ = 24230491656336. Its totient is φ = 3279314659968.

The previous prime is 10111220201989. The next prime is 10111220202029. The reversal of 10111220202012 is 21020202211101.

It is a junction number, because it is equal to n+sod(n) for n = 10111220201982 and 10111220202000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11386508793 + ... + 11386509680.

It is an arithmetic number, because the mean of its divisors is an integer number (1009603819014).

Almost surely, 2^{10111220202012} is an apocalyptic number.

10111220202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10111220202012 is an abundant number, since it is smaller than the sum of its proper divisors (14119271454324).

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

10111220202012 is a wasteful number, since it uses less digits than its factorization.

10111220202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22773018517 (or 22773018515 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10111220202012 its reverse (21020202211101), we get a palindrome (31131422413113).

The spelling of 10111220202012 in words is "ten trillion, one hundred eleven billion, two hundred twenty million, two hundred two thousand, twelve".