100211121221122 has 4 divisors (see below), whose sum is σ = 150316681831686. Its totient is φ = 50105560610560.

The previous prime is 100211121221119. The next prime is 100211121221227. The reversal of 100211121221122 is 221122121112001.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 91624926112281 + 8586195108841 = 9572091^2 + 2930221^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100211121221122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25052780305279 + ... + 25052780305282.

Almost surely, 2^{100211121221122} is an apocalyptic number.

100211121221122 is a deficient number, since it is larger than the sum of its proper divisors (50105560610564).

100211121221122 is an equidigital number, since it uses as much as digits as its factorization.

100211121221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50105560610563.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 100211121221122 its reverse (221122121112001), we get a palindrome (321333242333123).

The spelling of 100211121221122 in words is "one hundred trillion, two hundred eleven billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred twenty-two".