21202122102110 has 8 divisors (see below), whose sum is σ = 38163819783816. Its totient is φ = 8480848840840.

The previous prime is 21202122102107. The next prime is 21202122102127. The reversal of 21202122102110 is 1120122120212.

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

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, 1060106105096 + ... + 1060106105115.

It is an arithmetic number, because the mean of its divisors is an integer number (4770477472977).

Almost surely, 2^{21202122102110} is an apocalyptic number.

21202122102110 is a deficient number, since it is larger than the sum of its proper divisors (16961697681706).

21202122102110 is a wasteful number, since it uses less digits than its factorization.

21202122102110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120212210218.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21202122102110 its reverse (1120122120212), we get a palindrome (22322244222322).

The spelling of 21202122102110 in words is "twenty-one trillion, two hundred two billion, one hundred twenty-two million, one hundred two thousand, one hundred ten".