220001200121022 has 32 divisors (see below), whose sum is σ = 440235220423680. Its totient is φ = 73294931783040.

The previous prime is 220001200120979. The next prime is 220001200121029. The reversal of 220001200121022 is 220121002100022.

It is a super-4 number, since 4×220001200121022⁴ (a number of 58 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220001200120992 and 220001200121010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220001200121029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557797747 + ... + 558192017.

It is an arithmetic number, because the mean of its divisors is an integer number (13757350638240).

Almost surely, 2^{220001200121022} is an apocalyptic number.

220001200121022 is an abundant number, since it is smaller than the sum of its proper divisors (220234020302658).

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

220001200121022 is a wasteful number, since it uses less digits than its factorization.

220001200121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443248.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220001200121022 its reverse (220121002100022), we get a palindrome (440122202221044).

The spelling of 220001200121022 in words is "two hundred twenty trillion, one billion, two hundred million, one hundred twenty-one thousand, twenty-two".