221210200001022 has 32 divisors (see below), whose sum is σ = 444360062177280. Its totient is φ = 73413467458080.

The previous prime is 221210200000981. The next prime is 221210200001057. The reversal of 221210200001022 is 220100002012122.

It is a junction number, because it is equal to n+sod(n) for n = 221210200000992 and 221210200001010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79689043 + ... + 82418225.

It is an arithmetic number, because the mean of its divisors is an integer number (13886251943040).

Almost surely, 2^{221210200001022} is an apocalyptic number.

221210200001022 is an abundant number, since it is smaller than the sum of its proper divisors (223149862176258).

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

221210200001022 is a wasteful number, since it uses less digits than its factorization.

221210200001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788408.

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

Adding to 221210200001022 its reverse (220100002012122), we get a palindrome (441310202013144).

The spelling of 221210200001022 in words is "two hundred twenty-one trillion, two hundred ten billion, two hundred million, one thousand, twenty-two".