102231202 has 4 divisors (see below), whose sum is σ = 153346806. Its totient is φ = 51115600.

The previous prime is 102231193. The next prime is 102231277. The reversal of 102231202 is 202132201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202132201 = 563 ⋅359027.

It can be written as a sum of positive squares in only one way, i.e., 60357361 + 41873841 = 7769^2 + 6471^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25557799 + ... + 25557802.

Almost surely, 2^102231202 is an apocalyptic number.

102231202 is a deficient number, since it is larger than the sum of its proper divisors (51115604).

102231202 is an equidigital number, since it uses as much as digits as its factorization.

102231202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51115603.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 102231202 is about 10110.9446640757. The cubic root of 102231202 is about 467.5856298864.

Adding to 102231202 its reverse (202132201), we get a palindrome (304363403).

Subtracting 102231202 from its reverse (202132201), we obtain a palindrome (99900999).

The spelling of 102231202 in words is "one hundred two million, two hundred thirty-one thousand, two hundred two".