102122022001220 has 48 divisors (see below), whose sum is σ = 236585877636528. Its totient is φ = 36786919741440.

The previous prime is 102122022001211. The next prime is 102122022001247. The reversal of 102122022001220 is 22100220221201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 41621284519936 + 60500737481284 = 6451456^2 + 7778222^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4789952849 + ... + 4789974168.

It is an arithmetic number, because the mean of its divisors is an integer number (4928872450761).

Almost surely, 2^{102122022001220} is an apocalyptic number.

102122022001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102122022001220 is an abundant number, since it is smaller than the sum of its proper divisors (134463855635308).

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

102122022001220 is a wasteful number, since it uses less digits than its factorization.

102122022001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9579927080 (or 9579927078 counting only the distinct ones).

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

Adding to 102122022001220 its reverse (22100220221201), we get a palindrome (124222242222421).

The spelling of 102122022001220 in words is "one hundred two trillion, one hundred twenty-two billion, twenty-two million, one thousand, two hundred twenty".