100222211211212 has 48 divisors (see below), whose sum is σ = 181501316505600. Its totient is φ = 48365925431040.

The previous prime is 100222211211197. The next prime is 100222211211223. The reversal of 100222211211212 is 212112112222001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5779485662 + ... + 5779503002.

It is an arithmetic number, because the mean of its divisors is an integer number (3781277427200).

Almost surely, 2^{100222211211212} is an apocalyptic number.

It is an amenable number.

100222211211212 is a deficient number, since it is larger than the sum of its proper divisors (81279105294388).

100222211211212 is a wasteful number, since it uses less digits than its factorization.

100222211211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32226 (or 32224 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 100222211211212 its reverse (212112112222001), we get a palindrome (312334323433213).

The spelling of 100222211211212 in words is "one hundred trillion, two hundred twenty-two billion, two hundred eleven million, two hundred eleven thousand, two hundred twelve".