121011111122 has 8 divisors (see below), whose sum is σ = 198018181872. Its totient is φ = 55005050500.

The previous prime is 121011111121. The next prime is 121011111167. The reversal of 121011111122 is 221111110121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121011111097 and 121011111106.

It is not an unprimeable number, because it can be changed into a prime (121011111121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2750252504 + ... + 2750252547.

It is an arithmetic number, because the mean of its divisors is an integer number (24752272734).

Almost surely, 2^121011111122 is an apocalyptic number.

121011111122 is a deficient number, since it is larger than the sum of its proper divisors (77007070750).

121011111122 is a wasteful number, since it uses less digits than its factorization.

121011111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500505064.

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

Adding to 121011111122 its reverse (221111110121), we get a palindrome (342122221243).

The spelling of 121011111122 in words is "one hundred twenty-one billion, eleven million, one hundred eleven thousand, one hundred twenty-two".