100211220211222 has 4 divisors (see below), whose sum is σ = 150316830316836. Its totient is φ = 50105610105610.

The previous prime is 100211220211213. The next prime is 100211220211231. The reversal of 100211220211222 is 222112022112001.

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

It is an interprime number because it is at equal distance from previous prime (100211220211213) and next prime (100211220211231).

It is a self number, because there is not a number n which added to its sum of digits gives 100211220211222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25052805052804 + ... + 25052805052807.

It is an arithmetic number, because the mean of its divisors is an integer number (37579207579209).

Almost surely, 2^{100211220211222} is an apocalyptic number.

100211220211222 is a deficient number, since it is larger than the sum of its proper divisors (50105610105614).

100211220211222 is an equidigital number, since it uses as much as digits as its factorization.

100211220211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50105610105613.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 100211220211222 its reverse (222112022112001), we get a palindrome (322323242323223).

The spelling of 100211220211222 in words is "one hundred trillion, two hundred eleven billion, two hundred twenty million, two hundred eleven thousand, two hundred twenty-two".