10220121111 has 8 divisors (see below), whose sum is σ = 13751845360. Its totient is φ = 6750905472.

The previous prime is 10220121103. The next prime is 10220121143. The reversal of 10220121111 is 11112102201.

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

It is not a de Polignac number, because 10220121111 - 2³ = 10220121103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220121151) 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, 15626770 + ... + 15627423.

It is an arithmetic number, because the mean of its divisors is an integer number (1718980670).

Almost surely, 2^10220121111 is an apocalyptic number.

10220121111 is a deficient number, since it is larger than the sum of its proper divisors (3531724249).

10220121111 is a wasteful number, since it uses less digits than its factorization.

10220121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31254305.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10220121111 its reverse (11112102201), we get a palindrome (21332223312).

The spelling of 10220121111 in words is "ten billion, two hundred twenty million, one hundred twenty-one thousand, one hundred eleven".