10011122111212 has 48 divisors (see below), whose sum is σ = 18882344194560. Its totient is φ = 4628900461248.

The previous prime is 10011122111141. The next prime is 10011122111257. The reversal of 10011122111212 is 21211122111001.

It is a super-2 number, since 2×10011122111212² (a number of 27 digits) contains 22 as substring.

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, 4205658 + ... + 6140830.

It is an arithmetic number, because the mean of its divisors is an integer number (393382170720).

Almost surely, 2^{10011122111212} is an apocalyptic number.

It is an amenable number.

10011122111212 is a deficient number, since it is larger than the sum of its proper divisors (8871222083348).

10011122111212 is a wasteful number, since it uses less digits than its factorization.

10011122111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936822 (or 1936820 counting only the distinct ones).

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

Adding to 10011122111212 its reverse (21211122111001), we get a palindrome (31222244222213).

The spelling of 10011122111212 in words is "ten trillion, eleven billion, one hundred twenty-two million, one hundred eleven thousand, two hundred twelve".