21122107034 has 16 divisors (see below), whose sum is σ = 36212869248. Its totient is φ = 9051445872.

The previous prime is 21122107033. The next prime is 21122107049. The reversal of 21122107034 is 43070122112.

It is a super-2 number, since 2×21122107034² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21122107033) 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, 86372 + ... + 222944.

It is an arithmetic number, because the mean of its divisors is an integer number (2263304328).

Almost surely, 2^21122107034 is an apocalyptic number.

21122107034 is a deficient number, since it is larger than the sum of its proper divisors (15090762214).

21122107034 is a wasteful number, since it uses less digits than its factorization.

21122107034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147629.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 21122107034 its reverse (43070122112), we get a palindrome (64192229146).

The spelling of 21122107034 in words is "twenty-one billion, one hundred twenty-two million, one hundred seven thousand, thirty-four".