10121222211 has 8 divisors (see below), whose sum is σ = 13496554320. Its totient is φ = 6746685792.

The previous prime is 10121222203. The next prime is 10121222257. The reversal of 10121222211 is 11222212101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10121222211 - 2³ = 10121222203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10121222261) 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, 168580 + ... + 220593.

It is an arithmetic number, because the mean of its divisors is an integer number (1687069290).

Almost surely, 2^10121222211 is an apocalyptic number.

10121222211 is a deficient number, since it is larger than the sum of its proper divisors (3375332109).

10121222211 is an equidigital number, since it uses as much as digits as its factorization.

10121222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397845.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10121222211 its reverse (11222212101), we get a palindrome (21343434312).

The spelling of 10121222211 in words is "ten billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred eleven".