21012001132322 has 16 divisors (see below), whose sum is σ = 33265789877760. Its totient is φ = 9926369372592.

The previous prime is 21012001132273. The next prime is 21012001132357. The reversal of 21012001132322 is 22323110021012.

It is a super-2 number, since 2×21012001132322² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21012001132294 and 21012001132303.

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, 741202178 + ... + 741230525.

It is an arithmetic number, because the mean of its divisors is an integer number (2079111867360).

Almost surely, 2^{21012001132322} is an apocalyptic number.

21012001132322 is a deficient number, since it is larger than the sum of its proper divisors (12253788745438).

21012001132322 is a wasteful number, since it uses less digits than its factorization.

21012001132322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482433097.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21012001132322 its reverse (22323110021012), we get a palindrome (43335111153334).

The spelling of 21012001132322 in words is "twenty-one trillion, twelve billion, one million, one hundred thirty-two thousand, three hundred twenty-two".