21022102200102 has 16 divisors (see below), whose sum is σ = 42044492204352. Its totient is φ = 7007319432680.

The previous prime is 21022102200097. The next prime is 21022102200107. The reversal of 21022102200102 is 20100220122012.

It is an interprime number because it is at equal distance from previous prime (21022102200097) and next prime (21022102200107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022102200107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11036424 + ... + 12800267.

It is an arithmetic number, because the mean of its divisors is an integer number (2627780762772).

Almost surely, 2^{21022102200102} is an apocalyptic number.

21022102200102 is an abundant number, since it is smaller than the sum of its proper divisors (21022390004250).

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

21022102200102 is a wasteful number, since it uses less digits than its factorization.

21022102200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23983683.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 21022102200102 its reverse (20100220122012), we get a palindrome (41122322322114).

The spelling of 21022102200102 in words is "twenty-one trillion, twenty-two billion, one hundred two million, two hundred thousand, one hundred two".