13031222021102 has 4 divisors (see below), whose sum is σ = 19546833031656. Its totient is φ = 6515611010550.

The previous prime is 13031222021101. The next prime is 13031222021137. The reversal of 13031222021102 is 20112022213031.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031222021101) by changing a digit.

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, 3257805505274 + ... + 3257805505277.

It is an arithmetic number, because the mean of its divisors is an integer number (4886708257914).

Almost surely, 2^{13031222021102} is an apocalyptic number.

13031222021102 is a deficient number, since it is larger than the sum of its proper divisors (6515611010554).

13031222021102 is an equidigital number, since it uses as much as digits as its factorization.

13031222021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6515611010553.

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

Adding to 13031222021102 its reverse (20112022213031), we get a palindrome (33143244234133).

The spelling of 13031222021102 in words is "thirteen trillion, thirty-one billion, two hundred twenty-two million, twenty-one thousand, one hundred two".