121532045011 has 16 divisors (see below), whose sum is σ = 136660156416. Its totient is φ = 107235935136.

The previous prime is 121532044993. The next prime is 121532045023. The reversal of 121532045011 is 110540235121.

It is a cyclic number.

It is not a de Polignac number, because 121532045011 - 2¹⁷ = 121531913939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121532045611) 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, 329646 + ... + 593068.

It is an arithmetic number, because the mean of its divisors is an integer number (8541259776).

Almost surely, 2^121532045011 is an apocalyptic number.

121532045011 is a deficient number, since it is larger than the sum of its proper divisors (15128111405).

121532045011 is a wasteful number, since it uses less digits than its factorization.

121532045011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265002.

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 121532045011 in words is "one hundred twenty-one billion, five hundred thirty-two million, forty-five thousand, eleven".