21103101121132 has 12 divisors (see below), whose sum is σ = 38203889960880. Its totient is φ = 10187703989456.

The previous prime is 21103101121087. The next prime is 21103101121187. The reversal of 21103101121132 is 23112110130112.

It is a super-2 number, since 2×21103101121132² (a number of 27 digits) contains 22 as substring.

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, 90961642648 + ... + 90961642879.

It is an arithmetic number, because the mean of its divisors is an integer number (3183657496740).

Almost surely, 2^{21103101121132} is an apocalyptic number.

It is an amenable number.

21103101121132 is a deficient number, since it is larger than the sum of its proper divisors (17100788839748).

21103101121132 is a wasteful number, since it uses less digits than its factorization.

21103101121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181923285560 (or 181923285558 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 21103101121132 its reverse (23112110130112), we get a palindrome (44215211251244).

The spelling of 21103101121132 in words is "twenty-one trillion, one hundred three billion, one hundred one million, one hundred twenty-one thousand, one hundred thirty-two".