20211020100112 has 20 divisors (see below), whose sum is σ = 39159007140816. Its totient is φ = 10105469870240.

The previous prime is 20211020100107. The next prime is 20211020100157. The reversal of 20211020100112 is 21100102011202.

It is a junction number, because it is equal to n+sod(n) for n = 20211020100092 and 20211020100101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1870287 + ... + 6627217.

Almost surely, 2^{20211020100112} is an apocalyptic number.

It is an amenable number.

20211020100112 is a deficient number, since it is larger than the sum of its proper divisors (18947987040704).

20211020100112 is a wasteful number, since it uses less digits than its factorization.

20211020100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022486 (or 5022480 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20211020100112 its reverse (21100102011202), we get a palindrome (41311122111314).

The spelling of 20211020100112 in words is "twenty trillion, two hundred eleven billion, twenty million, one hundred thousand, one hundred twelve".