21022210321131 has 8 divisors (see below), whose sum is σ = 29248292620800. Its totient is φ = 13405467451112.

The previous prime is 21022210321019. The next prime is 21022210321171. The reversal of 21022210321131 is 13112301222012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21022210321131 - 2⁷ = 21022210321003 is a prime.

It is a super-2 number, since 2×21022210321131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21022210321098 and 21022210321107.

It is not an unprimeable number, because it can be changed into a prime (21022210321171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152334857331 + ... + 152334857468.

It is an arithmetic number, because the mean of its divisors is an integer number (3656036577600).

Almost surely, 2^{21022210321131} is an apocalyptic number.

21022210321131 is a deficient number, since it is larger than the sum of its proper divisors (8226082299669).

21022210321131 is a wasteful number, since it uses less digits than its factorization.

21022210321131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304669714825.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 21022210321131 its reverse (13112301222012), we get a palindrome (34134511543143).

The spelling of 21022210321131 in words is "twenty-one trillion, twenty-two billion, two hundred ten million, three hundred twenty-one thousand, one hundred thirty-one".