2001002011022 has 16 divisors (see below), whose sum is σ = 3431535246432. Its totient is φ = 857260769280.

The previous prime is 2001002011003. The next prime is 2001002011037. The reversal of 2001002011022 is 2201102001002.

It is a happy number.

It is a super-2 number, since 2×2001002011022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2001002010994 and 2001002011012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25920179 + ... + 25997262.

It is an arithmetic number, because the mean of its divisors is an integer number (214470952902).

Almost surely, 2^{2001002011022} is an apocalyptic number.

2001002011022 is a deficient number, since it is larger than the sum of its proper divisors (1430533235410).

2001002011022 is a wasteful number, since it uses less digits than its factorization.

2001002011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51920203.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2001002011022 its reverse (2201102001002), we get a palindrome (4202104012024).

It can be divided in two parts, 200100 and 2011022, that added together give a palindrome (2211122).

The spelling of 2001002011022 in words is "two trillion, one billion, two million, eleven thousand, twenty-two".