102031201203220 has 12 divisors (see below), whose sum is σ = 214265522526804. Its totient is φ = 40812480481280.

The previous prime is 102031201203157. The next prime is 102031201203221. The reversal of 102031201203220 is 22302102130201.

It can be written as a sum of positive squares in 2 ways, for example, as 19923028644484 + 82108172558736 = 4463522^2 + 9061356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102031201203221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550780030061 + ... + 2550780030100.

It is an arithmetic number, because the mean of its divisors is an integer number (17855460210567).

Almost surely, 2^{102031201203220} is an apocalyptic number.

102031201203220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102031201203220 is an abundant number, since it is smaller than the sum of its proper divisors (112234321323584).

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

102031201203220 is a wasteful number, since it uses less digits than its factorization.

102031201203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101560060170 (or 5101560060168 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102031201203220 its reverse (22302102130201), we get a palindrome (124333303333421).

The spelling of 102031201203220 in words is "one hundred two trillion, thirty-one billion, two hundred one million, two hundred three thousand, two hundred twenty".