100220121200022 has 64 divisors (see below), whose sum is σ = 209423568960000. Its totient is φ = 31913238221568.

The previous prime is 100220121199949. The next prime is 100220121200039. The reversal of 100220121200022 is 220002121022001.

It is a junction number, because it is equal to n+sod(n) for n = 100220121199974 and 100220121200010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395454604 + ... + 395707952.

It is an arithmetic number, because the mean of its divisors is an integer number (3272243265000).

Almost surely, 2^{100220121200022} is an apocalyptic number.

100220121200022 is an abundant number, since it is smaller than the sum of its proper divisors (109203447759978).

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

100220121200022 is a wasteful number, since it uses less digits than its factorization.

100220121200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257045.

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

Adding to 100220121200022 its reverse (220002121022001), we get a palindrome (320222242222023).

The spelling of 100220121200022 in words is "one hundred trillion, two hundred twenty billion, one hundred twenty-one million, two hundred thousand, twenty-two".