102122222121220 has 48 divisors (see below), whose sum is σ = 245096593378560. Its totient is φ = 35012867543424.

The previous prime is 102122222121217. The next prime is 102122222121251. The reversal of 102122222121220 is 22121222221201.

It is a junction number, because it is equal to n+sod(n) for n = 102122222121191 and 102122222121200.

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, 5793646 + ... + 15421114.

It is an arithmetic number, because the mean of its divisors is an integer number (5106179028720).

Almost surely, 2^{102122222121220} is an apocalyptic number.

102122222121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102122222121220 is an abundant number, since it is smaller than the sum of its proper divisors (142974371257340).

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

102122222121220 is a wasteful number, since it uses less digits than its factorization.

102122222121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9703252 (or 9703250 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 102122222121220 its reverse (22121222221201), we get a palindrome (124243444342421).

The spelling of 102122222121220 in words is "one hundred two trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred twenty".