10020122121 has 8 divisors (see below), whose sum is σ = 13365325600. Its totient is φ = 6677500032.

The previous prime is 10020122081. The next prime is 10020122149. The reversal of 10020122121 is 12122102001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10020122121 - 2¹⁴ = 10020105737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020122097 and 10020122106.

It is not an unprimeable number, because it can be changed into a prime (10020122191) 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, 636271 + ... + 651828.

It is an arithmetic number, because the mean of its divisors is an integer number (1670665700).

Almost surely, 2^10020122121 is an apocalyptic number.

It is an amenable number.

10020122121 is a deficient number, since it is larger than the sum of its proper divisors (3345203479).

10020122121 is a wasteful number, since it uses less digits than its factorization.

10020122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290695.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10020122121 its reverse (12122102001), we get a palindrome (22142224122).

The spelling of 10020122121 in words is "ten billion, twenty million, one hundred twenty-two thousand, one hundred twenty-one".