1122021000111 has 16 divisors (see below), whose sum is σ = 1632048405120. Its totient is φ = 680005285920.

The previous prime is 1122021000013. The next prime is 1122021000119. The reversal of 1122021000111 is 1110001202211.

It is not a de Polignac number, because 1122021000111 - 2³³ = 1113431065519 is a prime.

It is a super-2 number, since 2×1122021000111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122021000119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5219625 + ... + 5430333.

It is an arithmetic number, because the mean of its divisors is an integer number (102003025320).

Almost surely, 2^{1122021000111} is an apocalyptic number.

1122021000111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1122021000111 is a deficient number, since it is larger than the sum of its proper divisors (510027405009).

1122021000111 is a wasteful number, since it uses less digits than its factorization.

1122021000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372086.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1122021000111 its reverse (1110001202211), we get a palindrome (2232022202322).

The spelling of 1122021000111 in words is "one trillion, one hundred twenty-two billion, twenty-one million, one hundred eleven", and thus it is an aban number.