120001121011 has 4 divisors (see below), whose sum is σ = 121189251024. Its totient is φ = 118812991000.

The previous prime is 120001120937. The next prime is 120001121021. The reversal of 120001121011 is 110121100021.

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 120001121011 - 2²⁷ = 119866903283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120001121021) 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, 594064855 + ... + 594065056.

It is an arithmetic number, because the mean of its divisors is an integer number (30297312756).

Almost surely, 2^120001121011 is an apocalyptic number.

120001121011 is a deficient number, since it is larger than the sum of its proper divisors (1188130013).

120001121011 is a wasteful number, since it uses less digits than its factorization.

120001121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188130012.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 120001121011 its reverse (110121100021), we get a palindrome (230122221032).

The spelling of 120001121011 in words is "one hundred twenty billion, one million, one hundred twenty-one thousand, eleven".