21113012001022 has 16 divisors (see below), whose sum is σ = 31936145774832. Its totient is φ = 10467903962880.

The previous prime is 21113012001013. The next prime is 21113012001073. The reversal of 21113012001022 is 22010021031112.

It is a junction number, because it is equal to n+sod(n) for n = 21113012000987 and 21113012001005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68317203 + ... + 68625550.

It is an arithmetic number, because the mean of its divisors is an integer number (1996009110927).

Almost surely, 2^{21113012001022} is an apocalyptic number.

21113012001022 is a deficient number, since it is larger than the sum of its proper divisors (10823133773810).

21113012001022 is a wasteful number, since it uses less digits than its factorization.

21113012001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136943403.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 21113012001022 its reverse (22010021031112), we get a palindrome (43123033032134).

The spelling of 21113012001022 in words is "twenty-one trillion, one hundred thirteen billion, twelve million, one thousand, twenty-two".