21102202201010 has 32 divisors (see below), whose sum is σ = 43575302529792. Its totient is φ = 7207531087680.

The previous prime is 21102202200917. The next prime is 21102202201043. The reversal of 21102202201010 is 1010220220112.

It is a super-2 number, since 2×21102202201010² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573099521 + ... + 573136340.

It is an arithmetic number, because the mean of its divisors is an integer number (1361728204056).

Almost surely, 2^{21102202201010} is an apocalyptic number.

21102202201010 is an abundant number, since it is smaller than the sum of its proper divisors (22473100328782).

21102202201010 is a wasteful number, since it uses less digits than its factorization.

21102202201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146236138.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21102202201010 its reverse (1010220220112), we get a palindrome (22112422421122).

The spelling of 21102202201010 in words is "twenty-one trillion, one hundred two billion, two hundred two million, two hundred one thousand, ten".