100221211212202 has 16 divisors (see below), whose sum is σ = 150972442790400. Its totient is φ = 49897517478640.

The previous prime is 100221211212197. The next prime is 100221211212209. The reversal of 100221211212202 is 202212112122001.

It is a self number, because there is not a number n which added to its sum of digits gives 100221211212202.

It is not an unprimeable number, because it can be changed into a prime (100221211212209) 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, 113023702 + ... + 113906977.

It is an arithmetic number, because the mean of its divisors is an integer number (9435777674400).

Almost surely, 2^{100221211212202} is an apocalyptic number.

100221211212202 is a deficient number, since it is larger than the sum of its proper divisors (50751231578198).

100221211212202 is a wasteful number, since it uses less digits than its factorization.

100221211212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226931621.

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

Adding to 100221211212202 its reverse (202212112122001), we get a palindrome (302433323334203).

The spelling of 100221211212202 in words is "one hundred trillion, two hundred twenty-one billion, two hundred eleven million, two hundred twelve thousand, two hundred two".