10121224202 has 4 divisors (see below), whose sum is σ = 15181836306. Its totient is φ = 5060612100.

The previous prime is 10121224189. The next prime is 10121224231. The reversal of 10121224202 is 20242212101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20242212101 = 137 ⋅147753373.

It can be written as a sum of positive squares in only one way, i.e., 6109141921 + 4012082281 = 78161^2 + 63341^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530306049 + ... + 2530306052.

Almost surely, 2^10121224202 is an apocalyptic number.

10121224202 is a deficient number, since it is larger than the sum of its proper divisors (5060612104).

10121224202 is an equidigital number, since it uses as much as digits as its factorization.

10121224202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060612103.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10121224202 its reverse (20242212101), we get a palindrome (30363436303).

The spelling of 10121224202 in words is "ten billion, one hundred twenty-one million, two hundred twenty-four thousand, two hundred two".