21302322020122 has 32 divisors (see below), whose sum is σ = 37778863094784. Its totient is φ = 8881107019200.

The previous prime is 21302322020117. The next prime is 21302322020123. The reversal of 21302322020122 is 22102022320312.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 21302322020093 and 21302322020102.

It is not an unprimeable number, because it can be changed into a prime (21302322020123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237164154 + ... + 237253957.

It is an arithmetic number, because the mean of its divisors is an integer number (1180589471712).

Almost surely, 2^{21302322020122} is an apocalyptic number.

21302322020122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21302322020122 is a deficient number, since it is larger than the sum of its proper divisors (16476541074662).

21302322020122 is a wasteful number, since it uses less digits than its factorization.

21302322020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474418294.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21302322020122 its reverse (22102022320312), we get a palindrome (43404344340434).

The spelling of 21302322020122 in words is "twenty-one trillion, three hundred two billion, three hundred twenty-two million, twenty thousand, one hundred twenty-two".