21022222010102 has 8 divisors (see below), whose sum is σ = 31965296481336. Its totient is φ = 10367123182992.

The previous prime is 21022222010089. The next prime is 21022222010117. The reversal of 21022222010102 is 20101022222012.

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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71993910848 + ... + 71993911139.

It is an arithmetic number, because the mean of its divisors is an integer number (3995662060167).

Almost surely, 2^{21022222010102} is an apocalyptic number.

21022222010102 is a deficient number, since it is larger than the sum of its proper divisors (10943074471234).

21022222010102 is a wasteful number, since it uses less digits than its factorization.

21022222010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143987822062.

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

Adding to 21022222010102 its reverse (20101022222012), we get a palindrome (41123244232114).

The spelling of 21022222010102 in words is "twenty-one trillion, twenty-two billion, two hundred twenty-two million, ten thousand, one hundred two".