102200121111020 has 48 divisors (see below), whose sum is σ = 229255992741888. Its totient is φ = 38134849966080.

The previous prime is 102200121111013. The next prime is 102200121111031. The reversal of 102200121111020 is 20111121002201.

It is a junction number, because it is equal to n+sod(n) for n = 102200121110986 and 102200121111004.

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, 1329999596 + ... + 1330076435.

It is an arithmetic number, because the mean of its divisors is an integer number (4776166515456).

Almost surely, 2^{102200121111020} is an apocalyptic number.

102200121111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102200121111020 is an abundant number, since it is smaller than the sum of its proper divisors (127055871630868).

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

102200121111020 is a wasteful number, since it uses less digits than its factorization.

102200121111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660076170 (or 2660076168 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102200121111020 its reverse (20111121002201), we get a palindrome (122311242113221).

The spelling of 102200121111020 in words is "one hundred two trillion, two hundred billion, one hundred twenty-one million, one hundred eleven thousand, twenty".