121122022111 has 8 divisors (see below), whose sum is σ = 129657830400. Its totient is φ = 112802310360.

The previous prime is 121122022103. The next prime is 121122022121. The reversal of 121122022111 is 111220221121.

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 121122022111 - 2³ = 121122022103 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 (121122022121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54022975 + ... + 54025216.

It is an arithmetic number, because the mean of its divisors is an integer number (16207228800).

Almost surely, 2^121122022111 is an apocalyptic number.

121122022111 is a deficient number, since it is larger than the sum of its proper divisors (8535808289).

121122022111 is a wasteful number, since it uses less digits than its factorization.

121122022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108048269.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121122022111 its reverse (111220221121), we get a palindrome (232342243232).

It can be divided in two parts, 1 and 21122022111, that added together give a palindrome (21122022112).

The spelling of 121122022111 in words is "one hundred twenty-one billion, one hundred twenty-two million, twenty-two thousand, one hundred eleven".