100121001012202 has 4 divisors (see below), whose sum is σ = 150181501518306. Its totient is φ = 50060500506100.

The previous prime is 100121001012061. The next prime is 100121001012271. The reversal of 100121001012202 is 202210100121001.

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., 94708301048761 + 5412699963441 = 9731819^2 + 2326521^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25030250253049 + ... + 25030250253052.

Almost surely, 2^{100121001012202} is an apocalyptic number.

100121001012202 is a deficient number, since it is larger than the sum of its proper divisors (50060500506104).

100121001012202 is an equidigital number, since it uses as much as digits as its factorization.

100121001012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50060500506103.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100121001012202 its reverse (202210100121001), we get a palindrome (302331101133203).

The spelling of 100121001012202 in words is "one hundred trillion, one hundred twenty-one billion, one million, twelve thousand, two hundred two".