102201001202 has 4 divisors (see below), whose sum is σ = 153301501806. Its totient is φ = 51100500600.

The previous prime is 102201001163. The next prime is 102201001219. The reversal of 102201001202 is 202100102201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202100102201 = 8543 ⋅23656807.

It can be written as a sum of positive squares in only one way, i.e., 85199188321 + 17001812881 = 291889^2 + 130391^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25550250299 + ... + 25550250302.

Almost surely, 2^102201001202 is an apocalyptic number.

102201001202 is a deficient number, since it is larger than the sum of its proper divisors (51100500604).

102201001202 is an equidigital number, since it uses as much as digits as its factorization.

102201001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51100500603.

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

Adding to 102201001202 its reverse (202100102201), we get a palindrome (304301103403).

The spelling of 102201001202 in words is "one hundred two billion, two hundred one million, one thousand, two hundred two".