10111012111212 has 48 divisors (see below), whose sum is σ = 23666609659392. Its totient is φ = 3359743410240.

The previous prime is 10111012111199. The next prime is 10111012111231. The reversal of 10111012111212 is 21211121011101.

It is a super-2 number, since 2×10111012111212² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10111012111191 and 10111012111200.

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, 5467803 + ... + 7079469.

It is an arithmetic number, because the mean of its divisors is an integer number (493054367904).

Almost surely, 2^{10111012111212} is an apocalyptic number.

10111012111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10111012111212 is an abundant number, since it is smaller than the sum of its proper divisors (13555597548180).

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

10111012111212 is a wasteful number, since it uses less digits than its factorization.

10111012111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613318 (or 1613316 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 10111012111212 its reverse (21211121011101), we get a palindrome (31322133122313).

The spelling of 10111012111212 in words is "ten trillion, one hundred eleven billion, twelve million, one hundred eleven thousand, two hundred twelve".