102201002210 has 16 divisors (see below), whose sum is σ = 190305315000. Its totient is φ = 39470731776.

The previous prime is 102201002207. The next prime is 102201002219. The reversal of 102201002210 is 12200102201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 86442468121 + 15758534089 = 294011^2 + 125533^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102201002191 and 102201002200.

It is not an unprimeable number, because it can be changed into a prime (102201002219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176208335 + ... + 176208914.

Almost surely, 2^102201002210 is an apocalyptic number.

102201002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102201002210 is a deficient number, since it is larger than the sum of its proper divisors (88104312790).

102201002210 is a wasteful number, since it uses less digits than its factorization.

102201002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352417285.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102201002210 its reverse (12200102201), we get a palindrome (114401104411).

Subtracting from 102201002210 its reverse (12200102201), we obtain a palindrome (90000900009).

The spelling of 102201002210 in words is "one hundred two billion, two hundred one million, two thousand, two hundred ten".