102222200120020 has 24 divisors (see below), whose sum is σ = 214961897614464. Its totient is φ = 40832636740896.

The previous prime is 102222200120003. The next prime is 102222200120069. The reversal of 102222200120020 is 20021002222201.

It is a junction number, because it is equal to n+sod(n) for n = 102222200119976 and 102222200120003.

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, 3515191792 + ... + 3515220871.

It is an arithmetic number, because the mean of its divisors is an integer number (8956745733936).

Almost surely, 2^{102222200120020} is an apocalyptic number.

102222200120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102222200120020 is an abundant number, since it is smaller than the sum of its proper divisors (112739697494444).

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

102222200120020 is a wasteful number, since it uses less digits than its factorization.

102222200120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7030413399 (or 7030413397 counting only the distinct ones).

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

Adding to 102222200120020 its reverse (20021002222201), we get a palindrome (122243202342221).

The spelling of 102222200120020 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred million, one hundred twenty thousand, twenty".