21211120331032 has 8 divisors (see below), whose sum is σ = 39770850620700. Its totient is φ = 10605560165512.

The previous prime is 21211120330987. The next prime is 21211120331053. The reversal of 21211120331032 is 23013302111212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×21211120331032² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21211120330994 and 21211120331012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325695020682 + ... + 1325695020697.

Almost surely, 2^{21211120331032} is an apocalyptic number.

It is an amenable number.

21211120331032 is a deficient number, since it is larger than the sum of its proper divisors (18559730289668).

21211120331032 is a wasteful number, since it uses less digits than its factorization.

21211120331032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651390041385 (or 2651390041381 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 21211120331032 its reverse (23013302111212), we get a palindrome (44224422442244).

The spelling of 21211120331032 in words is "twenty-one trillion, two hundred eleven billion, one hundred twenty million, three hundred thirty-one thousand, thirty-two".