220122121212202 has 128 divisors (see below), whose sum is σ = 387376487866368. Its totient is φ = 92702935987200.

The previous prime is 220122121212193. The next prime is 220122121212229. The reversal of 220122121212202 is 202212121221022.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9341842873 + ... + 9341866435.

It is an arithmetic number, because the mean of its divisors is an integer number (3026378811456).

Almost surely, 2^{220122121212202} is an apocalyptic number.

220122121212202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220122121212202 is a deficient number, since it is larger than the sum of its proper divisors (167254366654166).

220122121212202 is a wasteful number, since it uses less digits than its factorization.

220122121212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25124.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 220122121212202 its reverse (202212121221022), we get a palindrome (422334242433224).

The spelling of 220122121212202 in words is "two hundred twenty trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred twelve thousand, two hundred two".