121331112031201 has 8 divisors (see below), whose sum is σ = 126623030114880. Its totient is φ = 116040581642832.

The previous prime is 121331112031169. The next prime is 121331112031231. The reversal of 121331112031201 is 102130211133121.

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 121331112031201 - 2⁵ = 121331112031169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121331112031231) 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, 346745146 + ... + 347094883.

It is an arithmetic number, because the mean of its divisors is an integer number (15827878764360).

Almost surely, 2^{121331112031201} is an apocalyptic number.

It is an amenable number.

121331112031201 is a deficient number, since it is larger than the sum of its proper divisors (5291918083679).

121331112031201 is an equidigital number, since it uses as much as digits as its factorization.

121331112031201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693847655.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 121331112031201 its reverse (102130211133121), we get a palindrome (223461323164322).

The spelling of 121331112031201 in words is "one hundred twenty-one trillion, three hundred thirty-one billion, one hundred twelve million, thirty-one thousand, two hundred one".