121011021011003 has 4 divisors (see below), whose sum is σ = 121017726355200. Its totient is φ = 121004315666808.

The previous prime is 121011021010993. The next prime is 121011021011009. The reversal of 121011021011003 is 300110120110121.

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 121011021011003 - 2¹⁸ = 121011020748859 is a prime.

It is a super-2 number, since 2×121011021011003² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121011021011009) 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, 3352645028 + ... + 3352681121.

It is an arithmetic number, because the mean of its divisors is an integer number (30254431588800).

Almost surely, 2^{121011021011003} is an apocalyptic number.

121011021011003 is a deficient number, since it is larger than the sum of its proper divisors (6705344197).

121011021011003 is an equidigital number, since it uses as much as digits as its factorization.

121011021011003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6705344196.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 121011021011003 its reverse (300110120110121), we get a palindrome (421121141121124).

The spelling of 121011021011003 in words is "one hundred twenty-one trillion, eleven billion, twenty-one million, eleven thousand, three".