10220012120121 has 16 divisors (see below), whose sum is σ = 13717760652288. Its totient is φ = 6767807994000.

The previous prime is 10220012120099. The next prime is 10220012120147. The reversal of 10220012120121 is 12102121002201.

It is not a de Polignac number, because 10220012120121 - 2²¹ = 10220010022969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10220012120121.

It is not an unprimeable number, because it can be changed into a prime (10220012120191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6855570 + ... + 8212116.

It is an arithmetic number, because the mean of its divisors is an integer number (857360040768).

Almost surely, 2^{10220012120121} is an apocalyptic number.

It is an amenable number.

10220012120121 is a deficient number, since it is larger than the sum of its proper divisors (3497748532167).

10220012120121 is a wasteful number, since it uses less digits than its factorization.

10220012120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373332.

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

Adding to 10220012120121 its reverse (12102121002201), we get a palindrome (22322133122322).

The spelling of 10220012120121 in words is "ten trillion, two hundred twenty billion, twelve million, one hundred twenty thousand, one hundred twenty-one".