102001210320322 has 4 divisors (see below), whose sum is σ = 153001815480486. Its totient is φ = 51000605160160.

The previous prime is 102001210320311. The next prime is 102001210320323. The reversal of 102001210320322 is 223023012100201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 92445513589881 + 9555696730441 = 9614859^2 + 3091229^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102001210320322.

It is not an unprimeable number, because it can be changed into a prime (102001210320323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500302580079 + ... + 25500302580082.

Almost surely, 2^{102001210320322} is an apocalyptic number.

102001210320322 is a deficient number, since it is larger than the sum of its proper divisors (51000605160164).

102001210320322 is an equidigital number, since it uses as much as digits as its factorization.

102001210320322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51000605160163.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102001210320322 its reverse (223023012100201), we get a palindrome (325024222420523).

The spelling of 102001210320322 in words is "one hundred two trillion, one billion, two hundred ten million, three hundred twenty thousand, three hundred twenty-two".