331121220213102 has 64 divisors (see below), whose sum is σ = 761320938401280. Its totient is φ = 95026896272000.

The previous prime is 331121220213097. The next prime is 331121220213107. The reversal of 331121220213102 is 201312022121133.

It is an interprime number because it is at equal distance from previous prime (331121220213097) and next prime (331121220213107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331121220213107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1079697777 + ... + 1080004412.

It is an arithmetic number, because the mean of its divisors is an integer number (11895639662520).

Almost surely, 2^{331121220213102} is an apocalyptic number.

331121220213102 is an abundant number, since it is smaller than the sum of its proper divisors (430199718188178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331121220213102 is a wasteful number, since it uses less digits than its factorization.

331121220213102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159702329.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 331121220213102 its reverse (201312022121133), we get a palindrome (532433242334235).

The spelling of 331121220213102 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, two hundred twenty million, two hundred thirteen thousand, one hundred two".