220221021022122 has 8 divisors (see below), whose sum is σ = 440442042044256. Its totient is φ = 73407007007372.

The previous prime is 220221021022117. The next prime is 220221021022127. The reversal of 220221021022122 is 221220120122022.

It is an interprime number because it is at equal distance from previous prime (220221021022117) and next prime (220221021022127).

It is a sphenic number, since it is the product of 3 distinct primes.

220221021022122 is an admirable number.

It is a super-2 number, since 2×220221021022122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220221021022127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18351751751838 + ... + 18351751751849.

It is an arithmetic number, because the mean of its divisors is an integer number (55055255255532).

Almost surely, 2^{220221021022122} is an apocalyptic number.

220221021022122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220221021022122 is a wasteful number, since it uses less digits than its factorization.

220221021022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36703503503692.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 220221021022122 its reverse (221220120122022), we get a palindrome (441441141144144).

The spelling of 220221021022122 in words is "two hundred twenty trillion, two hundred twenty-one billion, twenty-one million, twenty-two thousand, one hundred twenty-two".