102201001320 has 128 divisors (see below), whose sum is σ = 337436461440. Its totient is φ = 24556707840.

The previous prime is 102201001307. The next prime is 102201001321. The reversal of 102201001320 is 23100102201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 102201001296 and 102201001305.

It is not an unprimeable number, because it can be changed into a prime (102201001321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193429 + ... + 491748.

It is an arithmetic number, because the mean of its divisors is an integer number (2636222355).

Almost surely, 2^102201001320 is an apocalyptic number.

102201001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102201001320 is an abundant number, since it is smaller than the sum of its proper divisors (235235460120).

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

102201001320 is a wasteful number, since it uses less digits than its factorization.

102201001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685315 (or 685311 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 102201001320 its reverse (23100102201), we get a palindrome (125301103521).

The spelling of 102201001320 in words is "one hundred two billion, two hundred one million, one thousand, three hundred twenty".