20021101210112 has 40 divisors (see below), whose sum is σ = 40010026768800. Its totient is φ = 10008816897024.

The previous prime is 20021101210091. The next prime is 20021101210169. The reversal of 20021101210112 is 21101210112002.

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, 424412 + ... + 6342107.

It is an arithmetic number, because the mean of its divisors is an integer number (1000250669220).

Almost surely, 2^{20021101210112} is an apocalyptic number.

It is an amenable number.

20021101210112 is a deficient number, since it is larger than the sum of its proper divisors (19988925558688).

20021101210112 is an frugal number, since it uses more digits than its factorization.

20021101210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6772316 (or 6772300 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20021101210112 its reverse (21101210112002), we get a palindrome (41122311322114).

The spelling of 20021101210112 in words is "twenty trillion, twenty-one billion, one hundred one million, two hundred ten thousand, one hundred twelve".