312210101121 has 8 divisors (see below), whose sum is σ = 416517609120. Its totient is φ = 208021330272.

The previous prime is 312210101113. The next prime is 312210101149. The reversal of 312210101121 is 121101012213.

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

It is not a de Polignac number, because 312210101121 - 2³ = 312210101113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312210101121.

It is not an unprimeable number, because it can be changed into a prime (312210101101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29678151 + ... + 29688668.

It is an arithmetic number, because the mean of its divisors is an integer number (52064701140).

Almost surely, 2^312210101121 is an apocalyptic number.

It is an amenable number.

312210101121 is a deficient number, since it is larger than the sum of its proper divisors (104307507999).

312210101121 is a wasteful number, since it uses less digits than its factorization.

312210101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59368575.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 312210101121 its reverse (121101012213), we get a palindrome (433311113334).

The spelling of 312210101121 in words is "three hundred twelve billion, two hundred ten million, one hundred one thousand, one hundred twenty-one".