100222000211212 has 24 divisors (see below), whose sum is σ = 191333189112912. Its totient is φ = 45555388065600.

The previous prime is 100222000211209. The next prime is 100222000211213. The reversal of 100222000211212 is 212112000222001.

It is a happy number.

It is a super-2 number, since 2×100222000211212² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100222000211213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41173662 + ... + 43539802.

It is an arithmetic number, because the mean of its divisors is an integer number (7972216213038).

Almost surely, 2^{100222000211212} is an apocalyptic number.

It is an amenable number.

100222000211212 is a deficient number, since it is larger than the sum of its proper divisors (91111188901700).

100222000211212 is a wasteful number, since it uses less digits than its factorization.

100222000211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328809 (or 3328807 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100222000211212 its reverse (212112000222001), we get a palindrome (312334000433213).

The spelling of 100222000211212 in words is "one hundred trillion, two hundred twenty-two billion, two hundred eleven thousand, two hundred twelve".