3121222100133 has 8 divisors (see below), whose sum is σ = 4163518549408. Its totient is φ = 2079870192144.

The previous prime is 3121222100047. The next prime is 3121222100137. The reversal of 3121222100133 is 3310012221213.

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

It is not a de Polignac number, because 3121222100133 - 2²² = 3121217905829 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 (3121222100137) 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 in 7 ways as a sum of consecutive naturals, for example, 236127610 + ... + 236140827.

It is an arithmetic number, because the mean of its divisors is an integer number (520439818676).

Almost surely, 2^{3121222100133} is an apocalyptic number.

It is an amenable number.

3121222100133 is a deficient number, since it is larger than the sum of its proper divisors (1042296449275).

3121222100133 is a wasteful number, since it uses less digits than its factorization.

3121222100133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472270643.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3121222100133 its reverse (3310012221213), we get a palindrome (6431234321346).

The spelling of 3121222100133 in words is "three trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred thousand, one hundred thirty-three".