121121001122 has 16 divisors (see below), whose sum is σ = 199224941472. Its totient is φ = 54769739520.

The previous prime is 121121001101. The next prime is 121121001173. The reversal of 121121001122 is 221100121121.

It is a junction number, because it is equal to n+sod(n) for n = 121121001097 and 121121001106.

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, 14258708 + ... + 14267199.

It is an arithmetic number, because the mean of its divisors is an integer number (12451558842).

Almost surely, 2^121121001122 is an apocalyptic number.

121121001122 is a deficient number, since it is larger than the sum of its proper divisors (78103940350).

121121001122 is a wasteful number, since it uses less digits than its factorization.

121121001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28526113.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121121001122 its reverse (221100121121), we get a palindrome (342221122243).

The spelling of 121121001122 in words is "one hundred twenty-one billion, one hundred twenty-one million, one thousand, one hundred twenty-two".