3121033220101 has 8 divisors (see below), whose sum is σ = 3221735846400. Its totient is φ = 3020332102320.

The previous prime is 3121033220077. The next prime is 3121033220119. The reversal of 3121033220101 is 1010223301213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3121033220101 - 2¹³ = 3121033211909 is a prime.

It is a super-2 number, since 2×3121033220101² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121033220131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5082120 + ... + 5663038.

It is an arithmetic number, because the mean of its divisors is an integer number (402716980800).

Almost surely, 2^{3121033220101} is an apocalyptic number.

3121033220101 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3121033220101 is a deficient number, since it is larger than the sum of its proper divisors (100702626299).

3121033220101 is a wasteful number, since it uses less digits than its factorization.

3121033220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754259.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 3121033220101 its reverse (1010223301213), we get a palindrome (4131256521314).

The spelling of 3121033220101 in words is "three trillion, one hundred twenty-one billion, thirty-three million, two hundred twenty thousand, one hundred one".