2022011012091 has 40 divisors (see below), whose sum is σ = 3145996481040. Its totient is φ = 1155128794176.

The previous prime is 2022011012089. The next prime is 2022011012093. The reversal of 2022011012091 is 1902101102202.

It is an interprime number because it is at equal distance from previous prime (2022011012089) and next prime (2022011012093).

It is not a de Polignac number, because 2022011012091 - 2¹ = 2022011012089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2022011012093) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 28697581 + ... + 28767953.

It is an arithmetic number, because the mean of its divisors is an integer number (78649912026).

Almost surely, 2^{2022011012091} is an apocalyptic number.

2022011012091 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2022011012091 is a deficient number, since it is larger than the sum of its proper divisors (1123985468949).

2022011012091 is an frugal number, since it uses more digits than its factorization.

2022011012091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74393 (or 74372 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 2022011012091 its reverse (1902101102202), we get a palindrome (3924112114293).

The spelling of 2022011012091 in words is "two trillion, twenty-two billion, eleven million, twelve thousand, ninety-one".