3121100202101 has 32 divisors (see below), whose sum is σ = 3728851462656. Its totient is φ = 2554247520000.

The previous prime is 3121100202067. The next prime is 3121100202109. The reversal of 3121100202101 is 1012020011213.

It is a de Polignac number, because none of the positive numbers 2^k-3121100202101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121100202109) 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, 251269871 + ... + 251282291.

It is an arithmetic number, because the mean of its divisors is an integer number (116526608208).

Almost surely, 2^{3121100202101} is an apocalyptic number.

It is an amenable number.

3121100202101 is a deficient number, since it is larger than the sum of its proper divisors (607751260555).

3121100202101 is a wasteful number, since it uses less digits than its factorization.

3121100202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15173.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 3121100202101 its reverse (1012020011213), we get a palindrome (4133120213314).

The spelling of 3121100202101 in words is "three trillion, one hundred twenty-one billion, one hundred million, two hundred two thousand, one hundred one".