10220145121 has 4 divisors (see below), whose sum is σ = 10256258992. Its totient is φ = 10184031252.

The previous prime is 10220145107. The next prime is 10220145127. The reversal of 10220145121 is 12154102201.

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 10220145121 - 2¹⁹ = 10219620833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10220145127) 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, 18056511 + ... + 18057076.

It is an arithmetic number, because the mean of its divisors is an integer number (2564064748).

Almost surely, 2^10220145121 is an apocalyptic number.

It is an amenable number.

10220145121 is a deficient number, since it is larger than the sum of its proper divisors (36113871).

10220145121 is an equidigital number, since it uses as much as digits as its factorization.

10220145121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36113870.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 10220145121 its reverse (12154102201), we get a palindrome (22374247322).

The spelling of 10220145121 in words is "ten billion, two hundred twenty million, one hundred forty-five thousand, one hundred twenty-one".