10020221022121 has 8 divisors (see below), whose sum is σ = 10190634352704. Its totient is φ = 9850621121040.

The previous prime is 10020221022083. The next prime is 10020221022139. The reversal of 10020221022121 is 12122012202001.

It is a happy number.

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 10020221022121 - 2²⁷ = 10020086804393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020221022095 and 10020221022104.

It is not an unprimeable number, because it can be changed into a prime (10020221022151) 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, 203332530 + ... + 203381803.

It is an arithmetic number, because the mean of its divisors is an integer number (1273829294088).

Almost surely, 2^{10020221022121} is an apocalyptic number.

It is an amenable number.

10020221022121 is a deficient number, since it is larger than the sum of its proper divisors (170413330583).

10020221022121 is an equidigital number, since it uses as much as digits as its factorization.

10020221022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406714751.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10020221022121 its reverse (12122012202001), we get a palindrome (22142233224122).

The spelling of 10020221022121 in words is "ten trillion, twenty billion, two hundred twenty-one million, twenty-two thousand, one hundred twenty-one".