21022200122102 has 8 divisors (see below), whose sum is σ = 31534363108800. Its totient is φ = 10510745752504.

The previous prime is 21022200122101. The next prime is 21022200122117. The reversal of 21022200122102 is 20122100222012.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022200122101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177080102 + ... + 177198777.

It is an arithmetic number, because the mean of its divisors is an integer number (3941795388600).

Almost surely, 2^{21022200122102} is an apocalyptic number.

21022200122102 is a deficient number, since it is larger than the sum of its proper divisors (10512162986698).

21022200122102 is a wasteful number, since it uses less digits than its factorization.

21022200122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354308550.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 21022200122102 its reverse (20122100222012), we get a palindrome (41144300344114).

The spelling of 21022200122102 in words is "twenty-one trillion, twenty-two billion, two hundred million, one hundred twenty-two thousand, one hundred two".