2210001221022 has 64 divisors (see below), whose sum is σ = 5318810542080. Its totient is φ = 598025452896.

The previous prime is 2210001221009. The next prime is 2210001221023. The reversal of 2210001221022 is 2201221000122.

It is a junction number, because it is equal to n+sod(n) for n = 2210001220992 and 2210001221010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210001221023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2421943 + ... + 3207149.

It is an arithmetic number, because the mean of its divisors is an integer number (83106414720).

Almost surely, 2^{2210001221022} is an apocalyptic number.

2210001221022 is an abundant number, since it is smaller than the sum of its proper divisors (3108809321058).

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

2210001221022 is a wasteful number, since it uses less digits than its factorization.

2210001221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788765.

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

Adding to 2210001221022 its reverse (2201221000122), we get a palindrome (4411222221144).

The spelling of 2210001221022 in words is "two trillion, two hundred ten billion, one million, two hundred twenty-one thousand, twenty-two".