21122301022 has 16 divisors (see below), whose sum is σ = 33064267392. Its totient is φ = 10100969560.

The previous prime is 21122301001. The next prime is 21122301023. The reversal of 21122301022 is 22010322112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21122300987 and 21122301005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21122301023) 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, 680853 + ... + 711199.

It is an arithmetic number, because the mean of its divisors is an integer number (2066516712).

Almost surely, 2^21122301022 is an apocalyptic number.

21122301022 is a deficient number, since it is larger than the sum of its proper divisors (11941966370).

21122301022 is a wasteful number, since it uses less digits than its factorization.

21122301022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45503.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21122301022 its reverse (22010322112), we get a palindrome (43132623134).

The spelling of 21122301022 in words is "twenty-one billion, one hundred twenty-two million, three hundred one thousand, twenty-two".