10111121020212 has 48 divisors (see below), whose sum is σ = 23851938290880. Its totient is φ = 3333529479168.

The previous prime is 10111121020207. The next prime is 10111121020229. The reversal of 10111121020212 is 21202012111101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10111121020191 and 10111121020200.

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, 12217162 + ... + 13018497.

It is an arithmetic number, because the mean of its divisors is an integer number (496915381060).

Almost surely, 2^{10111121020212} is an apocalyptic number.

10111121020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10111121020212 is an abundant number, since it is smaller than the sum of its proper divisors (13740817270668).

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

10111121020212 is a wasteful number, since it uses less digits than its factorization.

10111121020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25236032 (or 25236030 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10111121020212 its reverse (21202012111101), we get a palindrome (31313133131313).

The spelling of 10111121020212 in words is "ten trillion, one hundred eleven billion, one hundred twenty-one million, twenty thousand, two hundred twelve".