102201220011220 has 48 divisors (see below), whose sum is σ = 234134917244928. Its totient is φ = 37163887429760.

The previous prime is 102201220011211. The next prime is 102201220011263. The reversal of 102201220011220 is 22110022102201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102201220011194 and 102201220011203.

It is a congruent number.

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, 45450462 + ... + 47646058.

It is an arithmetic number, because the mean of its divisors is an integer number (4877810775936).

Almost surely, 2^{102201220011220} is an apocalyptic number.

102201220011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102201220011220 is an abundant number, since it is smaller than the sum of its proper divisors (131933697233708).

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

102201220011220 is a wasteful number, since it uses less digits than its factorization.

102201220011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407200 (or 2407198 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102201220011220 its reverse (22110022102201), we get a palindrome (124311242113421).

The spelling of 102201220011220 in words is "one hundred two trillion, two hundred one billion, two hundred twenty million, eleven thousand, two hundred twenty".