20211102220112 has 80 divisors (see below), whose sum is σ = 40352128423488. Its totient is φ = 9802664048640.

The previous prime is 20211102220081. The next prime is 20211102220117. The reversal of 20211102220112 is 21102220111202.

It is a super-3 number, since 3×20211102220112³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211102220117) 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, 45385928 + ... + 45829080.

Almost surely, 2^{20211102220112} is an apocalyptic number.

It is an amenable number.

20211102220112 is a deficient number, since it is larger than the sum of its proper divisors (20141026203376).

20211102220112 is a wasteful number, since it uses less digits than its factorization.

20211102220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443868 (or 443862 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20211102220112 its reverse (21102220111202), we get a palindrome (41313322331314).

The spelling of 20211102220112 in words is "twenty trillion, two hundred eleven billion, one hundred two million, two hundred twenty thousand, one hundred twelve".