10120121211 has 8 divisors (see below), whose sum is σ = 13511229264. Its totient is φ = 6737880320.

The previous prime is 10120121189. The next prime is 10120121227. The reversal of 10120121211 is 11212102101.

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

It is a cyclic number.

It is not a de Polignac number, because 10120121211 - 2⁶ = 10120121147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10120122211) 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, 2214126 + ... + 2218691.

It is an arithmetic number, because the mean of its divisors is an integer number (1688903658).

Almost surely, 2^10120121211 is an apocalyptic number.

10120121211 is a deficient number, since it is larger than the sum of its proper divisors (3391108053).

10120121211 is an equidigital number, since it uses as much as digits as its factorization.

10120121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433581.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10120121211 its reverse (11212102101), we get a palindrome (21332223312).

The spelling of 10120121211 in words is "ten billion, one hundred twenty million, one hundred twenty-one thousand, two hundred eleven".