21775003362102 has 32 divisors (see below), whose sum is σ = 43594019783424. Its totient is φ = 7250999520800.

The previous prime is 21775003362041. The next prime is 21775003362109. The reversal of 21775003362102 is 20126330057712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21775003362109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195093952 + ... + 195205532.

It is an arithmetic number, because the mean of its divisors is an integer number (1362313118232).

Almost surely, 2^{21775003362102} is an apocalyptic number.

21775003362102 is an abundant number, since it is smaller than the sum of its proper divisors (21819016421322).

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

21775003362102 is a wasteful number, since it uses less digits than its factorization.

21775003362102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144164.

The product of its (nonzero) digits is 105840, while the sum is 39.

The spelling of 21775003362102 in words is "twenty-one trillion, seven hundred seventy-five billion, three million, three hundred sixty-two thousand, one hundred two".