21003114124022 has 4 divisors (see below), whose sum is σ = 31504671186036. Its totient is φ = 10501557062010.

The previous prime is 21003114124001. The next prime is 21003114124039. The reversal of 21003114124022 is 22042141130012.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×21003114124022² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250778531004 + ... + 5250778531007.

It is an arithmetic number, because the mean of its divisors is an integer number (7876167796509).

Almost surely, 2^{21003114124022} is an apocalyptic number.

21003114124022 is a deficient number, since it is larger than the sum of its proper divisors (10501557062014).

21003114124022 is a wasteful number, since it uses less digits than its factorization.

21003114124022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10501557062013.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 21003114124022 its reverse (22042141130012), we get a palindrome (43045255254034).

The spelling of 21003114124022 in words is "twenty-one trillion, three billion, one hundred fourteen million, one hundred twenty-four thousand, twenty-two".