10020022240121 has 4 divisors (see below), whose sum is σ = 10057271393700. Its totient is φ = 9982773086544.

The previous prime is 10020022240087. The next prime is 10020022240127. The reversal of 10020022240121 is 12104222002001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4277596015225 + 5742426224896 = 2068235^2 + 2396336^2 .

It is a cyclic number.

It is not a de Polignac number, because 10020022240121 - 2⁶ = 10020022240057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10020022240121.

It is not an unprimeable number, because it can be changed into a prime (10020022240127) 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, 18624576386 + ... + 18624576923.

It is an arithmetic number, because the mean of its divisors is an integer number (2514317848425).

Almost surely, 2^{10020022240121} is an apocalyptic number.

It is an amenable number.

10020022240121 is a deficient number, since it is larger than the sum of its proper divisors (37249153579).

10020022240121 is an equidigital number, since it uses as much as digits as its factorization.

10020022240121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37249153578.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10020022240121 its reverse (12104222002001), we get a palindrome (22124244242122).

The spelling of 10020022240121 in words is "ten trillion, twenty billion, twenty-two million, two hundred forty thousand, one hundred twenty-one".