10111120212 has 24 divisors (see below), whose sum is σ = 23682326976. Its totient is φ = 3357557248.

The previous prime is 10111120171. The next prime is 10111120223. The reversal of 10111120212 is 21202111101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 1598733 + ... + 1605044.

It is an arithmetic number, because the mean of its divisors is an integer number (986763624).

Almost surely, 2^10111120212 is an apocalyptic number.

10111120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10111120212 is an abundant number, since it is smaller than the sum of its proper divisors (13571206764).

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

10111120212 is a wasteful number, since it uses less digits than its factorization.

10111120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204047 (or 3204045 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10111120212 its reverse (21202111101), we get a palindrome (31313231313).

The spelling of 10111120212 in words is "ten billion, one hundred eleven million, one hundred twenty thousand, two hundred twelve".