3123211022102 has 4 divisors (see below), whose sum is σ = 4684816533156. Its totient is φ = 1561605511050.

The previous prime is 3123211022083. The next prime is 3123211022111. The reversal of 3123211022102 is 2012201123213.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780802755524 + ... + 780802755527.

It is an arithmetic number, because the mean of its divisors is an integer number (1171204133289).

Almost surely, 2^{3123211022102} is an apocalyptic number.

3123211022102 is a deficient number, since it is larger than the sum of its proper divisors (1561605511054).

3123211022102 is a wasteful number, since it uses less digits than its factorization.

3123211022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561605511053.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 3123211022102 its reverse (2012201123213), we get a palindrome (5135412145315).

The spelling of 3123211022102 in words is "three trillion, one hundred twenty-three billion, two hundred eleven million, twenty-two thousand, one hundred two".