102022212021102 has 112 divisors (see below), whose sum is σ = 230889361127040. Its totient is φ = 33793596888336.

The previous prime is 102022212021061. The next prime is 102022212021179. The reversal of 102022212021102 is 201120212220201.

It is a happy number.

102022212021102 is a `hidden beast` number, since 10 + 202 + 221 + 20 + 211 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 372284343 + ... + 372558285.

It is an arithmetic number, because the mean of its divisors is an integer number (2061512152920).

Almost surely, 2^{102022212021102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102022212021102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115444680563520).

102022212021102 is an abundant number, since it is smaller than the sum of its proper divisors (128867149105938).

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

102022212021102 is a wasteful number, since it uses less digits than its factorization.

102022212021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275569 (or 275554 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102022212021102 its reverse (201120212220201), we get a palindrome (303142424241303).

The spelling of 102022212021102 in words is "one hundred two trillion, twenty-two billion, two hundred twelve million, twenty-one thousand, one hundred two".