21022012112102 has 8 divisors (see below), whose sum is σ = 31781309650176. Its totient is φ = 10428242228712.

The previous prime is 21022012112093. The next prime is 21022012112111. The reversal of 21022012112102 is 20121121022012.

It is an interprime number because it is at equal distance from previous prime (21022012112093) and next prime (21022012112111).

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, 41381913353 + ... + 41381913860.

It is an arithmetic number, because the mean of its divisors is an integer number (3972663706272).

Almost surely, 2^{21022012112102} is an apocalyptic number.

21022012112102 is a deficient number, since it is larger than the sum of its proper divisors (10759297538074).

21022012112102 is a wasteful number, since it uses less digits than its factorization.

21022012112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82763827342.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21022012112102 its reverse (20121121022012), we get a palindrome (41143133134114).

The spelling of 21022012112102 in words is "twenty-one trillion, twenty-two billion, twelve million, one hundred twelve thousand, one hundred two".