221010121022 has 8 divisors (see below), whose sum is σ = 331627454256. Its totient is φ = 110467636272.

The previous prime is 221010120973. The next prime is 221010121061. The reversal of 221010121022 is 220121010122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 221010120988 and 221010121006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18704738 + ... + 18716549.

It is an arithmetic number, because the mean of its divisors is an integer number (41453431782).

Almost surely, 2^221010121022 is an apocalyptic number.

221010121022 is a deficient number, since it is larger than the sum of its proper divisors (110617333234).

221010121022 is a wasteful number, since it uses less digits than its factorization.

221010121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37424242.

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

Adding to 221010121022 its reverse (220121010122), we get a palindrome (441131131144).

The spelling of 221010121022 in words is "two hundred twenty-one billion, ten million, one hundred twenty-one thousand, twenty-two".