221000211101022 has 64 divisors (see below), whose sum is σ = 469804174873920. Its totient is φ = 69174034062336.

The previous prime is 221000211100987. The next prime is 221000211101081. The reversal of 221000211101022 is 220101112000122.

It is a junction number, because it is equal to n+sod(n) for n = 221000211100992 and 221000211101010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7315848 + ... + 22260324.

It is an arithmetic number, because the mean of its divisors is an integer number (7340690232405).

Almost surely, 2^{221000211101022} is an apocalyptic number.

221000211101022 is an abundant number, since it is smaller than the sum of its proper divisors (248803963772898).

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

221000211101022 is a wasteful number, since it uses less digits than its factorization.

221000211101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14946845.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221000211101022 its reverse (220101112000122), we get a palindrome (441101323101144).

The spelling of 221000211101022 in words is "two hundred twenty-one trillion, two hundred eleven million, one hundred one thousand, twenty-two".