100111121220222 has 96 divisors (see below), whose sum is σ = 248102843788800. Its totient is φ = 28579107489984.

The previous prime is 100111121220221. The next prime is 100111121220263. The reversal of 100111121220222 is 222022121111001.

100111121220222 is a `hidden beast` number, since 100 + 1 + 1 + 1 + 121 + 220 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 100111121220195 and 100111121220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111121220221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3280488108 + ... + 3280518624.

It is an arithmetic number, because the mean of its divisors is an integer number (2584404622800).

Almost surely, 2^{100111121220222} is an apocalyptic number.

100111121220222 is an abundant number, since it is smaller than the sum of its proper divisors (147991722568578).

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

100111121220222 is a wasteful number, since it uses less digits than its factorization.

100111121220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51590 (or 51587 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 100111121220222 its reverse (222022121111001), we get a palindrome (322133242331223).

The spelling of 100111121220222 in words is "one hundred trillion, one hundred eleven billion, one hundred twenty-one million, two hundred twenty thousand, two hundred twenty-two".