102222121202020 has 48 divisors (see below), whose sum is σ = 228199446574848. Its totient is φ = 38330300864000.

The previous prime is 102222121201999. The next prime is 102222121202143. The reversal of 102222121202020 is 20202121222201.

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, 598825612 + ... + 598996291.

It is an arithmetic number, because the mean of its divisors is an integer number (4754155136976).

Almost surely, 2^{102222121202020} is an apocalyptic number.

102222121202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102222121202020 is an abundant number, since it is smaller than the sum of its proper divisors (125977325372828).

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

102222121202020 is a wasteful number, since it uses less digits than its factorization.

102222121202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197822180 (or 1197822178 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102222121202020 its reverse (20202121222201), we get a palindrome (122424242424221).

The spelling of 102222121202020 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred two thousand, twenty".