121266141662121 has 32 divisors (see below), whose sum is σ = 172527310166400. Its totient is φ = 75498926515200.

The previous prime is 121266141662111. The next prime is 121266141662123.

121266141662121 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-121266141662121 is a prime.

It is a super-2 number, since 2×121266141662121² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121266141662123) 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 31 ways as a sum of consecutive naturals, for example, 7901271 + ... + 17463171.

It is an arithmetic number, because the mean of its divisors is an integer number (5391478442700).

Almost surely, 2^{121266141662121} is an apocalyptic number.

It is an amenable number.

121266141662121 is a deficient number, since it is larger than the sum of its proper divisors (51261168504279).

121266141662121 is a wasteful number, since it uses less digits than its factorization.

121266141662121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9563849.

The product of its digits is 82944, while the sum is 42.

The spelling of 121266141662121 in words is "one hundred twenty-one trillion, two hundred sixty-six billion, one hundred forty-one million, six hundred sixty-two thousand, one hundred twenty-one".