1110021122021 has 4 divisors (see below), whose sum is σ = 1268595568032. Its totient is φ = 951446676012.

The previous prime is 1110021122017. The next prime is 1110021122033. The reversal of 1110021122021 is 1202211200111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1110021122021 - 2² = 1110021122017 is a prime.

It is a super-2 number, since 2×1110021122021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110021121987 and 1110021122005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110021121021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79287222995 + ... + 79287223008.

It is an arithmetic number, because the mean of its divisors is an integer number (317148892008).

Almost surely, 2^{1110021122021} is an apocalyptic number.

It is an amenable number.

1110021122021 is a deficient number, since it is larger than the sum of its proper divisors (158574446011).

1110021122021 is an equidigital number, since it uses as much as digits as its factorization.

1110021122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158574446010.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1110021122021 its reverse (1202211200111), we get a palindrome (2312232322132).

The spelling of 1110021122021 in words is "one trillion, one hundred ten billion, twenty-one million, one hundred twenty-two thousand, twenty-one".