20211211010112 has 28 divisors (see below), whose sum is σ = 53475495798096. Its totient is φ = 6737070336640.

The previous prime is 20211211010093. The next prime is 20211211010113. The reversal of 20211211010112 is 21101011211202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20211211010091 and 20211211010100.

It is not an unprimeable number, because it can be changed into a prime (20211211010113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52633361814 + ... + 52633362197.

Almost surely, 2^{20211211010112} is an apocalyptic number.

It is an amenable number.

20211211010112 is an abundant number, since it is smaller than the sum of its proper divisors (33264284787984).

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

20211211010112 is a wasteful number, since it uses less digits than its factorization.

20211211010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105266724026 (or 105266724016 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20211211010112 its reverse (21101011211202), we get a palindrome (41312222221314).

The spelling of 20211211010112 in words is "twenty trillion, two hundred eleven billion, two hundred eleven million, ten thousand, one hundred twelve".