121111000022 has 16 divisors (see below), whose sum is σ = 184395502080. Its totient is φ = 59646004968.

The previous prime is 121111000009. The next prime is 121111000051. The reversal of 121111000022 is 220000111121.

It is a junction number, because it is equal to n+sod(n) for n = 121110999967 and 121111000012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1603103 + ... + 1676949.

It is an arithmetic number, because the mean of its divisors is an integer number (11524718880).

Almost surely, 2^121111000022 is an apocalyptic number.

121111000022 is a deficient number, since it is larger than the sum of its proper divisors (63284502058).

121111000022 is a wasteful number, since it uses less digits than its factorization.

121111000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86155.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121111000022 its reverse (220000111121), we get a palindrome (341111111143).

The spelling of 121111000022 in words is "one hundred twenty-one billion, one hundred eleven million, twenty-two", and thus it is an aban number.