21200660422310 has 16 divisors (see below), whose sum is σ = 38216414805552. Its totient is φ = 8467991714400.

The previous prime is 21200660422273. The next prime is 21200660422411. The reversal of 21200660422310 is 1322406600212.

It is a super-2 number, since 2×21200660422310² (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 in 7 ways as a sum of consecutive naturals, for example, 1534049561 + ... + 1534063380.

It is an arithmetic number, because the mean of its divisors is an integer number (2388525925347).

Almost surely, 2^{21200660422310} is an apocalyptic number.

21200660422310 is a deficient number, since it is larger than the sum of its proper divisors (17015754383242).

21200660422310 is a wasteful number, since it uses less digits than its factorization.

21200660422310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068113639.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 21200660422310 in words is "twenty-one trillion, two hundred billion, six hundred sixty million, four hundred twenty-two thousand, three hundred ten".