121021010331331 has 8 divisors (see below), whose sum is σ = 135591107398704. Its totient is φ = 107045611103520.

The previous prime is 121021010331311. The next prime is 121021010331367. The reversal of 121021010331331 is 133133010120121.

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 121021010331331 - 2⁹ = 121021010330819 is a prime.

It is a super-2 number, since 2×121021010331331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121021010331311) 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, 148674459460 + ... + 148674460273.

It is an arithmetic number, because the mean of its divisors is an integer number (16948888424838).

Almost surely, 2^{121021010331331} is an apocalyptic number.

121021010331331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121021010331331 is a deficient number, since it is larger than the sum of its proper divisors (14570097067373).

121021010331331 is a wasteful number, since it uses less digits than its factorization.

121021010331331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297348919781.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 121021010331331 its reverse (133133010120121), we get a palindrome (254154020451452).

The spelling of 121021010331331 in words is "one hundred twenty-one trillion, twenty-one billion, ten million, three hundred thirty-one thousand, three hundred thirty-one".