220122021012102 has 192 divisors, whose sum is σ = 523698595430400. Its totient is φ = 66267959808960.

The previous prime is 220122021012097. The next prime is 220122021012139. The reversal of 220122021012102 is 201210120221022.

It is a happy number.

220122021012102 is a `hidden beast` number, since 2 + 20 + 1 + 220 + 210 + 1 + 210 + 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 95 ways as a sum of consecutive naturals, for example, 43000978299 + ... + 43000983417.

It is an arithmetic number, because the mean of its divisors is an integer number (2727596851200).

Almost surely, 2^{220122021012102} is an apocalyptic number.

220122021012102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 220122021012102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261849297715200).

220122021012102 is an abundant number, since it is smaller than the sum of its proper divisors (303576574418298).

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

220122021012102 is a wasteful number, since it uses less digits than its factorization.

220122021012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7343 (or 7340 counting only the distinct ones).

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

Adding to 220122021012102 its reverse (201210120221022), we get a palindrome (421332141233124).

The spelling of 220122021012102 in words is "two hundred twenty trillion, one hundred twenty-two billion, twenty-one million, twelve thousand, one hundred two".