100212102120202 has 4 divisors (see below), whose sum is σ = 150318153180306. Its totient is φ = 50106051060100.

The previous prime is 100212102120191. The next prime is 100212102120241. The reversal of 100212102120202 is 202021201212001.

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., 99699845570361 + 512256549841 = 9984981^2 + 715721^2 .

It is a super-2 number, since 2×100212102120202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25053025530049 + ... + 25053025530052.

Almost surely, 2^{100212102120202} is an apocalyptic number.

100212102120202 is a deficient number, since it is larger than the sum of its proper divisors (50106051060104).

100212102120202 is an equidigital number, since it uses as much as digits as its factorization.

100212102120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50106051060103.

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

Adding to 100212102120202 its reverse (202021201212001), we get a palindrome (302233303332203).

The spelling of 100212102120202 in words is "one hundred trillion, two hundred twelve billion, one hundred two million, one hundred twenty thousand, two hundred two".