1022121110111 has 8 divisors (see below), whose sum is σ = 1082328775344. Its totient is φ = 961922655360.

The previous prime is 1022121110089. The next prime is 1022121110137. The reversal of 1022121110111 is 1110111212201.

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 1022121110111 - 2¹⁴ = 1022121093727 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 (1022121110191) 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, 2073485 + ... + 2518646.

It is an arithmetic number, because the mean of its divisors is an integer number (135291096918).

Almost surely, 2^{1022121110111} is an apocalyptic number.

1022121110111 is a deficient number, since it is larger than the sum of its proper divisors (60207665233).

1022121110111 is a wasteful number, since it uses less digits than its factorization.

1022121110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605241.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1022121110111 its reverse (1110111212201), we get a palindrome (2132232322312).

The spelling of 1022121110111 in words is "one trillion, twenty-two billion, one hundred twenty-one million, one hundred ten thousand, one hundred eleven".