220221001100122 has 16 divisors (see below), whose sum is σ = 360734297596992. Its totient is φ = 99996938536320.

The previous prime is 220221001100119. The next prime is 220221001100143. The reversal of 220221001100122 is 221001100122022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220221001100096 and 220221001100105.

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, 5175803703 + ... + 5175846250.

It is an arithmetic number, because the mean of its divisors is an integer number (22545893599812).

Almost surely, 2^{220221001100122} is an apocalyptic number.

220221001100122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220221001100122 is a deficient number, since it is larger than the sum of its proper divisors (140513296496870).

220221001100122 is a wasteful number, since it uses less digits than its factorization.

220221001100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10351650933.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220221001100122 its reverse (221001100122022), we get a palindrome (441222101222144).

The spelling of 220221001100122 in words is "two hundred twenty trillion, two hundred twenty-one billion, one million, one hundred thousand, one hundred twenty-two".