1111022022021 has 16 divisors (see below), whose sum is σ = 1502285276160. Its totient is φ = 730247197680.

The previous prime is 1111022021957. The next prime is 1111022022067. The reversal of 1111022022021 is 1202202201111.

It is not a de Polignac number, because 1111022022021 - 2⁶ = 1111022021957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111022022091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3228315 + ... + 3555848.

It is an arithmetic number, because the mean of its divisors is an integer number (93892829760).

Almost surely, 2^{1111022022021} is an apocalyptic number.

It is an amenable number.

1111022022021 is a deficient number, since it is larger than the sum of its proper divisors (391263254139).

1111022022021 is an equidigital number, since it uses as much as digits as its factorization.

1111022022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6784936.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1111022022021 its reverse (1202202201111), we get a palindrome (2313224223132).

The spelling of 1111022022021 in words is "one trillion, one hundred eleven billion, twenty-two million, twenty-two thousand, twenty-one".