21022101200102 has 8 divisors (see below), whose sum is σ = 31691609850000. Its totient is φ = 10458231250104.

The previous prime is 21022101200047. The next prime is 21022101200117. The reversal of 21022101200102 is 20100210122012.

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, 26409674477 + ... + 26409675272.

It is an arithmetic number, because the mean of its divisors is an integer number (3961451231250).

Almost surely, 2^{21022101200102} is an apocalyptic number.

21022101200102 is a deficient number, since it is larger than the sum of its proper divisors (10669508649898).

21022101200102 is a wasteful number, since it uses less digits than its factorization.

21022101200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52819349950.

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

Adding to 21022101200102 its reverse (20100210122012), we get a palindrome (41122311322114).

The spelling of 21022101200102 in words is "twenty-one trillion, twenty-two billion, one hundred one million, two hundred thousand, one hundred two".