20112101012 has 48 divisors (see below), whose sum is σ = 37645171200. Its totient is φ = 9386033280.

The previous prime is 20112100999. The next prime is 20112101029. The reversal of 20112101012 is 21010121102.

It is a junction number, because it is equal to n+sod(n) for n = 20112100984 and 20112101002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361814 + ... + 413682.

It is an arithmetic number, because the mean of its divisors is an integer number (784274400).

Almost surely, 2^20112101012 is an apocalyptic number.

It is an amenable number.

20112101012 is a deficient number, since it is larger than the sum of its proper divisors (17533070188).

20112101012 is a wasteful number, since it uses less digits than its factorization.

20112101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52016 (or 52014 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20112101012 its reverse (21010121102), we get a palindrome (41122222114).

The spelling of 20112101012 in words is "twenty billion, one hundred twelve million, one hundred one thousand, twelve".