21000101132 has 24 divisors (see below), whose sum is σ = 36875904912. Its totient is φ = 10464192000.

The previous prime is 21000101107. The next prime is 21000101141. The reversal of 21000101132 is 23110100012.

It is a super-3 number, since 3×21000101132³ (a number of 32 digits) contains 333 as substring.

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, 1418207 + ... + 1432937.

It is an arithmetic number, because the mean of its divisors is an integer number (1536496038).

Almost surely, 2^21000101132 is an apocalyptic number.

It is an amenable number.

21000101132 is a deficient number, since it is larger than the sum of its proper divisors (15875803780).

21000101132 is a wasteful number, since it uses less digits than its factorization.

21000101132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15929 (or 15927 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 21000101132 its reverse (23110100012), we get a palindrome (44110201144).

The spelling of 21000101132 in words is "twenty-one billion, one hundred one thousand, one hundred thirty-two".