2001100221022 has 16 divisors (see below), whose sum is σ = 3431348410752. Its totient is φ = 857391658200.

The previous prime is 2001100221017. The next prime is 2001100221101. The reversal of 2001100221022 is 2201220011002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2001100220993 and 2001100221011.

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, 18504348 + ... + 18612175.

It is an arithmetic number, because the mean of its divisors is an integer number (214459275672).

Almost surely, 2^{2001100221022} is an apocalyptic number.

2001100221022 is a deficient number, since it is larger than the sum of its proper divisors (1430248189730).

2001100221022 is a wasteful number, since it uses less digits than its factorization.

2001100221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37120383.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2001100221022 its reverse (2201220011002), we get a palindrome (4202320232024).

The spelling of 2001100221022 in words is "two trillion, one billion, one hundred million, two hundred twenty-one thousand, twenty-two".