221101000022 has 16 divisors (see below), whose sum is σ = 398979248640. Its totient is φ = 89770330728.

The previous prime is 221100999991. The next prime is 221101000033. The reversal of 221101000022 is 220000101122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 221100999967 and 221101000012.

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, 415603118 + ... + 415603649.

It is an arithmetic number, because the mean of its divisors is an integer number (24936203040).

Almost surely, 2^221101000022 is an apocalyptic number.

221101000022 is a deficient number, since it is larger than the sum of its proper divisors (177878248618).

221101000022 is a wasteful number, since it uses less digits than its factorization.

221101000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831206795.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 221101000022 its reverse (220000101122), we get a palindrome (441101101144).

The spelling of 221101000022 in words is "two hundred twenty-one billion, one hundred one million, twenty-two", and thus it is an aban number.