2001100021022 has 8 divisors (see below), whose sum is σ = 3159631612200. Its totient is φ = 947889483624.

The previous prime is 2001100021021. The next prime is 2001100021057. The reversal of 2001100021022 is 2201200011002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2001100020994 and 2001100021012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001100021021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26330263397 + ... + 26330263472.

It is an arithmetic number, because the mean of its divisors is an integer number (394953951525).

Almost surely, 2^{2001100021022} is an apocalyptic number.

2001100021022 is a deficient number, since it is larger than the sum of its proper divisors (1158531591178).

2001100021022 is a wasteful number, since it uses less digits than its factorization.

2001100021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52660526890.

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

Adding to 2001100021022 its reverse (2201200011002), we get a palindrome (4202300032024).

The spelling of 2001100021022 in words is "two trillion, one billion, one hundred million, twenty-one thousand, twenty-two".