1110111002021 has 4 divisors (see below), whose sum is σ = 1268698288032. Its totient is φ = 951523716012.

The previous prime is 1110111001991. The next prime is 1110111002023. The reversal of 1110111002021 is 1202001110111.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110111002021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110111001993 and 1110111002011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110111002023) 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, 79293642995 + ... + 79293643008.

It is an arithmetic number, because the mean of its divisors is an integer number (317174572008).

Almost surely, 2^{1110111002021} is an apocalyptic number.

It is an amenable number.

1110111002021 is a deficient number, since it is larger than the sum of its proper divisors (158587286011).

1110111002021 is an equidigital number, since it uses as much as digits as its factorization.

1110111002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158587286010.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1110111002021 its reverse (1202001110111), we get a palindrome (2312112112132).

The spelling of 1110111002021 in words is "one trillion, one hundred ten billion, one hundred eleven million, two thousand, twenty-one".