121001122001122 has 16 divisors (see below), whose sum is σ = 198003281205312. Its totient is φ = 55000108555120.

The previous prime is 121001122001119. The next prime is 121001122001161. The reversal of 121001122001122 is 221100221100121.

It is a junction number, because it is equal to n+sod(n) for n = 121001122001096 and 121001122001105.

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, 16979038 + ... + 23028025.

It is an arithmetic number, because the mean of its divisors is an integer number (12375205075332).

Almost surely, 2^{121001122001122} is an apocalyptic number.

121001122001122 is a deficient number, since it is larger than the sum of its proper divisors (77002159204190).

121001122001122 is a wasteful number, since it uses less digits than its factorization.

121001122001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40144553.

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

Adding to 121001122001122 its reverse (221100221100121), we get a palindrome (342101343101243).

The spelling of 121001122001122 in words is "one hundred twenty-one trillion, one billion, one hundred twenty-two million, one thousand, one hundred twenty-two".