221101010001022 has 16 divisors (see below), whose sum is σ = 351160888539600. Its totient is φ = 104047397557888.

The previous prime is 221101010000999. The next prime is 221101010001061. The reversal of 221101010001022 is 220100010101122.

221101010001022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221101010000993 and 221101010001011.

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, 24909729 + ... + 32599027.

It is an arithmetic number, because the mean of its divisors is an integer number (21947555533725).

Almost surely, 2^{221101010001022} is an apocalyptic number.

221101010001022 is a deficient number, since it is larger than the sum of its proper divisors (130059878538578).

221101010001022 is a wasteful number, since it uses less digits than its factorization.

221101010001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8535035.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221101010001022 its reverse (220100010101122), we get a palindrome (441201020102144).

The spelling of 221101010001022 in words is "two hundred twenty-one trillion, one hundred one billion, ten million, one thousand, twenty-two".