1121011322121 has 12 divisors (see below), whose sum is σ = 1656895288048. Its totient is φ = 729960860664.

The previous prime is 1121011322117. The next prime is 1121011322173. The reversal of 1121011322121 is 1212231101211.

It is a happy number.

1121011322121 is a `hidden beast` number, since 1 + 1 + 210 + 11 + 322 + 121 = 666.

It is not a de Polignac number, because 1121011322121 - 2² = 1121011322117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121011322094 and 1121011322103.

It is not an unprimeable number, because it can be changed into a prime (1121011332121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1448334655 + ... + 1448335428.

Almost surely, 2^{1121011322121} is an apocalyptic number.

It is an amenable number.

1121011322121 is a deficient number, since it is larger than the sum of its proper divisors (535883965927).

1121011322121 is a wasteful number, since it uses less digits than its factorization.

1121011322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896670132 (or 2896670129 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1121011322121 its reverse (1212231101211), we get a palindrome (2333242423332).

The spelling of 1121011322121 in words is "one trillion, one hundred twenty-one billion, eleven million, three hundred twenty-two thousand, one hundred twenty-one".