2102001221022 has 16 divisors (see below), whose sum is σ = 4234688592912. Its totient is φ = 695552715200.

The previous prime is 2102001221017. The next prime is 2102001221039. The reversal of 2102001221022 is 2201221002012.

It is a junction number, because it is equal to n+sod(n) for n = 2102001220992 and 2102001221010.

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, 1278588729 + ... + 1278590372.

It is an arithmetic number, because the mean of its divisors is an integer number (264668037057).

Almost surely, 2^{2102001221022} is an apocalyptic number.

2102001221022 is an abundant number, since it is smaller than the sum of its proper divisors (2132687371890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102001221022 is a wasteful number, since it uses less digits than its factorization.

2102001221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557179243.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2102001221022 its reverse (2201221002012), we get a palindrome (4303222223034).

The spelling of 2102001221022 in words is "two trillion, one hundred two billion, one million, two hundred twenty-one thousand, twenty-two".