100001201211222 has 16 divisors (see below), whose sum is σ = 206454092823552. Its totient is φ = 32258452003560.

The previous prime is 100001201211211. The next prime is 100001201211269. The reversal of 100001201211222 is 222112102100001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268820433178 + ... + 268820433549.

It is an arithmetic number, because the mean of its divisors is an integer number (12903380801472).

Almost surely, 2^{100001201211222} is an apocalyptic number.

100001201211222 is an abundant number, since it is smaller than the sum of its proper divisors (106452891612330).

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

100001201211222 is a wasteful number, since it uses less digits than its factorization.

100001201211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537640866763.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100001201211222 its reverse (222112102100001), we get a palindrome (322113303311223).

The spelling of 100001201211222 in words is "one hundred trillion, one billion, two hundred one million, two hundred eleven thousand, two hundred twenty-two".