21102220112 has 40 divisors (see below), whose sum is σ = 41100048000. Its totient is φ = 10495853312.

The previous prime is 21102220091. The next prime is 21102220151.

21102220112 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×21102220112³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4536764 + ... + 4541412.

It is an arithmetic number, because the mean of its divisors is an integer number (1027501200).

Almost surely, 2^21102220112 is an apocalyptic number.

It is an amenable number.

21102220112 is a deficient number, since it is larger than the sum of its proper divisors (19997827888).

21102220112 is a wasteful number, since it uses less digits than its factorization.

21102220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6083 (or 6077 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

It can be divided in two parts, 2110 and 2220112, that added together give a palindrome (2222222).

The spelling of 21102220112 in words is "twenty-one billion, one hundred two million, two hundred twenty thousand, one hundred twelve".