102100222200220 has 24 divisors (see below), whose sum is σ = 214411788892224. Its totient is φ = 40839837018816.

The previous prime is 102100222200199. The next prime is 102100222200271. The reversal of 102100222200220 is 22002222001201.

It is a junction number, because it is equal to n+sod(n) for n = 102100222200194 and 102100222200203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12399892 + ... + 18919771.

It is an arithmetic number, because the mean of its divisors is an integer number (8933824537176).

Almost surely, 2^{102100222200220} is an apocalyptic number.

102100222200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102100222200220 is an abundant number, since it is smaller than the sum of its proper divisors (112311566692004).

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

102100222200220 is a wasteful number, since it uses less digits than its factorization.

102100222200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31482669 (or 31482667 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102100222200220 its reverse (22002222001201), we get a palindrome (124102444201421).

The spelling of 102100222200220 in words is "one hundred two trillion, one hundred billion, two hundred twenty-two million, two hundred thousand, two hundred twenty".