121102310211011 has 4 divisors (see below), whose sum is σ = 123087593985024. Its totient is φ = 119117026437000.

The previous prime is 121102310210983. The next prime is 121102310211041. The reversal of 121102310211011 is 110112013201121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121102310211011 - 2¹⁰ = 121102310209987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121102310211041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992641886915 + ... + 992641887036.

It is an arithmetic number, because the mean of its divisors is an integer number (30771898496256).

Almost surely, 2^{121102310211011} is an apocalyptic number.

121102310211011 is a deficient number, since it is larger than the sum of its proper divisors (1985283774013).

121102310211011 is an equidigital number, since it uses as much as digits as its factorization.

121102310211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985283774012.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 121102310211011 its reverse (110112013201121), we get a palindrome (231214323412132).

The spelling of 121102310211011 in words is "one hundred twenty-one trillion, one hundred two billion, three hundred ten million, two hundred eleven thousand, eleven".