100121011212202 has 4 divisors (see below), whose sum is σ = 150181516818306. Its totient is φ = 50060505606100.

The previous prime is 100121011212149. The next prime is 100121011212263. The reversal of 100121011212202 is 202212110121001.

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., 93151046887441 + 6969964324761 = 9651479^2 + 2640069^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25030252803049 + ... + 25030252803052.

Almost surely, 2^{100121011212202} is an apocalyptic number.

100121011212202 is a deficient number, since it is larger than the sum of its proper divisors (50060505606104).

100121011212202 is an equidigital number, since it uses as much as digits as its factorization.

100121011212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50060505606103.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100121011212202 its reverse (202212110121001), we get a palindrome (302333121333203).

The spelling of 100121011212202 in words is "one hundred trillion, one hundred twenty-one billion, eleven million, two hundred twelve thousand, two hundred two".