321213222302102 has 32 divisors (see below), whose sum is σ = 519391861148160. Its totient is φ = 148106909031840.

The previous prime is 321213222302101. The next prime is 321213222302107. The reversal of 321213222302102 is 201203222312123.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321213222302101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107641049 + ... + 110584907.

It is an arithmetic number, because the mean of its divisors is an integer number (16230995660880).

Almost surely, 2^{321213222302102} is an apocalyptic number.

321213222302102 is a deficient number, since it is larger than the sum of its proper divisors (198178638846058).

321213222302102 is a wasteful number, since it uses less digits than its factorization.

321213222302102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947988.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 321213222302102 its reverse (201203222312123), we get a palindrome (522416444614225).

The spelling of 321213222302102 in words is "three hundred twenty-one trillion, two hundred thirteen billion, two hundred twenty-two million, three hundred two thousand, one hundred two".