21022002102110 has 8 divisors (see below), whose sum is σ = 37839603783816. Its totient is φ = 8408800840840.

The previous prime is 21022002102107. The next prime is 21022002102259. The reversal of 21022002102110 is 1120120022012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21022002102110² (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 3 ways as a sum of consecutive naturals, for example, 1051100105096 + ... + 1051100105115.

It is an arithmetic number, because the mean of its divisors is an integer number (4729950472977).

Almost surely, 2^{21022002102110} is an apocalyptic number.

21022002102110 is a deficient number, since it is larger than the sum of its proper divisors (16817601681706).

21022002102110 is a wasteful number, since it uses less digits than its factorization.

21022002102110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102200210218.

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

Adding to 21022002102110 its reverse (1120120022012), we get a palindrome (22142122124122).

The spelling of 21022002102110 in words is "twenty-one trillion, twenty-two billion, two million, one hundred two thousand, one hundred ten".