2001101221022 has 16 divisors (see below), whose sum is σ = 3132257662080. Its totient is φ = 957018090072.

The previous prime is 2001101220997. The next prime is 2001101221051. The reversal of 2001101221022 is 2201221011002.

It is a junction number, because it is equal to n+sod(n) for n = 2001101220988 and 2001101221006.

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, 813929 + ... + 2159787.

It is an arithmetic number, because the mean of its divisors is an integer number (195766103880).

Almost surely, 2^{2001101221022} is an apocalyptic number.

2001101221022 is a deficient number, since it is larger than the sum of its proper divisors (1131156441058).

2001101221022 is a wasteful number, since it uses less digits than its factorization.

2001101221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378207.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2001101221022 its reverse (2201221011002), we get a palindrome (4202322232024).

The spelling of 2001101221022 in words is "two trillion, one billion, one hundred one million, two hundred twenty-one thousand, twenty-two".