10220120121 has 8 divisors (see below), whose sum is σ = 14344028320. Its totient is φ = 6454812672.

The previous prime is 10220120107. The next prime is 10220120153. The reversal of 10220120121 is 12102102201.

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

It is not a de Polignac number, because 10220120121 - 2⁵ = 10220120089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10220120097 and 10220120106.

It is not an unprimeable number, because it can be changed into a prime (10220120161) 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, 89650120 + ... + 89650233.

It is an arithmetic number, because the mean of its divisors is an integer number (1793003540).

Almost surely, 2^10220120121 is an apocalyptic number.

It is an amenable number.

10220120121 is a deficient number, since it is larger than the sum of its proper divisors (4123908199).

10220120121 is a wasteful number, since it uses less digits than its factorization.

10220120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179300375.

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

Adding to 10220120121 its reverse (12102102201), we get a palindrome (22322222322).

The spelling of 10220120121 in words is "ten billion, two hundred twenty million, one hundred twenty thousand, one hundred twenty-one".