100111021220222 has 4 divisors (see below), whose sum is σ = 150166531830336. Its totient is φ = 50055510610110.

The previous prime is 100111021220209. The next prime is 100111021220227. The reversal of 100111021220222 is 222022120111001.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 100111021220222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111021220227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25027755305054 + ... + 25027755305057.

It is an arithmetic number, because the mean of its divisors is an integer number (37541632957584).

Almost surely, 2^{100111021220222} is an apocalyptic number.

100111021220222 is a deficient number, since it is larger than the sum of its proper divisors (50055510610114).

100111021220222 is an equidigital number, since it uses as much as digits as its factorization.

100111021220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50055510610113.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100111021220222 its reverse (222022120111001), we get a palindrome (322133141331223).

The spelling of 100111021220222 in words is "one hundred trillion, one hundred eleven billion, twenty-one million, two hundred twenty thousand, two hundred twenty-two".