10120362121 has 4 divisors (see below), whose sum is σ = 10121758992. Its totient is φ = 10118965252.

The previous prime is 10120362107. The next prime is 10120362149. The reversal of 10120362121 is 12126302101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10120362121 - 2²³ = 10111973513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10120360121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687511 + ... + 702076.

It is an arithmetic number, because the mean of its divisors is an integer number (2530439748).

Almost surely, 2^10120362121 is an apocalyptic number.

It is an amenable number.

10120362121 is a deficient number, since it is larger than the sum of its proper divisors (1396871).

10120362121 is an equidigital number, since it uses as much as digits as its factorization.

10120362121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396870.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10120362121 its reverse (12126302101), we get a palindrome (22246664222).

The spelling of 10120362121 in words is "ten billion, one hundred twenty million, three hundred sixty-two thousand, one hundred twenty-one".