121310101121001 has 16 divisors (see below), whose sum is σ = 176575011962496. Its totient is φ = 73629734714496.

The previous prime is 121310101120951. The next prime is 121310101121039. The reversal of 121310101121001 is 100121101013121.

It is not a de Polignac number, because 121310101121001 - 2¹⁷ = 121310100989929 is a prime.

It is a super-2 number, since 2×121310101121001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121310101121101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21304897245 + ... + 21304902938.

It is an arithmetic number, because the mean of its divisors is an integer number (11035938247656).

Almost surely, 2^{121310101121001} is an apocalyptic number.

It is an amenable number.

121310101121001 is a deficient number, since it is larger than the sum of its proper divisors (55264910841495).

121310101121001 is a wasteful number, since it uses less digits than its factorization.

121310101121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42609800272.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 121310101121001 its reverse (100121101013121), we get a palindrome (221431202134122).

The spelling of 121310101121001 in words is "one hundred twenty-one trillion, three hundred ten billion, one hundred one million, one hundred twenty-one thousand, one".