21102201190 has 64 divisors (see below), whose sum is σ = 45140664960. Its totient is φ = 6949232640.

The previous prime is 21102201187. The next prime is 21102201217. The reversal of 21102201190 is 9110220112.

It is a happy number.

21102201190 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×21102201190² (a number of 21 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 31 ways as a sum of consecutive naturals, for example, 364860 + ... + 418720.

It is an arithmetic number, because the mean of its divisors is an integer number (705322890).

Almost surely, 2^21102201190 is an apocalyptic number.

21102201190 is an abundant number, since it is smaller than the sum of its proper divisors (24038463770).

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

21102201190 is a wasteful number, since it uses less digits than its factorization.

21102201190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54097.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 21102201190 in words is "twenty-one billion, one hundred two million, two hundred one thousand, one hundred ninety".