20011102011312 has 80 divisors (see below), whose sum is σ = 51732590533248. Its totient is φ = 6665563307520.

The previous prime is 20011102011311. The next prime is 20011102011331. The reversal of 20011102011312 is 21311020111002.

It is a super-2 number, since 2×20011102011312² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20011102011291 and 20011102011300.

It is not an unprimeable number, because it can be changed into a prime (20011102011311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460204612 + ... + 460248092.

Almost surely, 2^{20011102011312} is an apocalyptic number.

It is an amenable number.

20011102011312 is an abundant number, since it is smaller than the sum of its proper divisors (31721488521936).

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

20011102011312 is a wasteful number, since it uses less digits than its factorization.

20011102011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50178 (or 50172 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 20011102011312 its reverse (21311020111002), we get a palindrome (41322122122314).

The spelling of 20011102011312 in words is "twenty trillion, eleven billion, one hundred two million, eleven thousand, three hundred twelve".