21113003022 has 16 divisors (see below), whose sum is σ = 42548343552. Its totient is φ = 6983944760.

The previous prime is 21113002951. The next prime is 21113003027. The reversal of 21113003022 is 22030031112.

It is a super-2 number, since 2×21113003022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21113002992 and 21113003010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113003027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13429878 + ... + 13431449.

It is an arithmetic number, because the mean of its divisors is an integer number (2659271472).

Almost surely, 2^21113003022 is an apocalyptic number.

21113003022 is an abundant number, since it is smaller than the sum of its proper divisors (21435340530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21113003022 is a wasteful number, since it uses less digits than its factorization.

21113003022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26861463.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21113003022 its reverse (22030031112), we get a palindrome (43143034134).

The spelling of 21113003022 in words is "twenty-one billion, one hundred thirteen million, three thousand, twenty-two".