21122360070 has 64 divisors (see below), whose sum is σ = 57953166336. Its totient is φ = 4826505600.

The previous prime is 21122360069. The next prime is 21122360093. The reversal of 21122360070 is 7006322112.

It is a self number, because there is not a number n which added to its sum of digits gives 21122360070.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 777720 + ... + 804420.

It is an arithmetic number, because the mean of its divisors is an integer number (905518224).

Almost surely, 2^21122360070 is an apocalyptic number.

21122360070 is an abundant number, since it is smaller than the sum of its proper divisors (36830806266).

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

21122360070 is a wasteful number, since it uses less digits than its factorization.

21122360070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30485.

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 21122360070 its reverse (7006322112), we get a palindrome (28128682182).

The spelling of 21122360070 in words is "twenty-one billion, one hundred twenty-two million, three hundred sixty thousand, seventy".