121010221112003 has 4 divisors (see below), whose sum is σ = 121068878516448. Its totient is φ = 120951563707560.

The previous prime is 121010221111987. The next prime is 121010221112063. The reversal of 121010221112003 is 300211122010121.

It is a happy number.

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 121010221112003 - 2⁴ = 121010221111987 is a prime.

It is a super-2 number, since 2×121010221112003² (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 (121010221112063) 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, 29328699128 + ... + 29328703253.

It is an arithmetic number, because the mean of its divisors is an integer number (30267219629112).

Almost surely, 2^{121010221112003} is an apocalyptic number.

121010221112003 is a deficient number, since it is larger than the sum of its proper divisors (58657404445).

121010221112003 is an equidigital number, since it uses as much as digits as its factorization.

121010221112003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58657404444.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121010221112003 its reverse (300211122010121), we get a palindrome (421221343122124).

The spelling of 121010221112003 in words is "one hundred twenty-one trillion, ten billion, two hundred twenty-one million, one hundred twelve thousand, three".