102001223001320 has 16 divisors (see below), whose sum is σ = 229502751753060. Its totient is φ = 40800489200512.

The previous prime is 102001223001319. The next prime is 102001223001373. The reversal of 102001223001320 is 23100322100201.

It can be written as a sum of positive squares in 2 ways, for example, as 101840753857924 + 160469143396 = 10091618^2 + 400586^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275015287477 + ... + 1275015287556.

Almost surely, 2^{102001223001320} is an apocalyptic number.

102001223001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102001223001320 is an abundant number, since it is smaller than the sum of its proper divisors (127501528751740).

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

102001223001320 is a wasteful number, since it uses less digits than its factorization.

102001223001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550030575044 (or 2550030575040 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 102001223001320 its reverse (23100322100201), we get a palindrome (125101545101521).

The spelling of 102001223001320 in words is "one hundred two trillion, one billion, two hundred twenty-three million, one thousand, three hundred twenty".