2002122011091 has 16 divisors (see below), whose sum is σ = 2815765856000. Its totient is φ = 1261901589408.

The previous prime is 2002122011077. The next prime is 2002122011143. The reversal of 2002122011091 is 1901102212002.

It is not a de Polignac number, because 2002122011091 - 2⁷ = 2002122010963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002122011041) 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, 36034816 + ... + 36090333.

It is an arithmetic number, because the mean of its divisors is an integer number (175985366000).

Almost surely, 2^{2002122011091} is an apocalyptic number.

2002122011091 is a deficient number, since it is larger than the sum of its proper divisors (813643844909).

2002122011091 is a wasteful number, since it uses less digits than its factorization.

2002122011091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72125658.

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

Adding to 2002122011091 its reverse (1901102212002), we get a palindrome (3903224223093).

The spelling of 2002122011091 in words is "two trillion, two billion, one hundred twenty-two million, eleven thousand, ninety-one".