1121122002121 has 4 divisors (see below), whose sum is σ = 1223042184144. Its totient is φ = 1019201820100.

The previous prime is 1121122002113. The next prime is 1121122002131. The reversal of 1121122002121 is 1212002211211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1121122002121 - 2³ = 1121122002113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121122002095 and 1121122002104.

It is not an unprimeable number, because it can be changed into a prime (1121122002131) 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, 50960090995 + ... + 50960091016.

It is an arithmetic number, because the mean of its divisors is an integer number (305760546036).

Almost surely, 2^{1121122002121} is an apocalyptic number.

1121122002121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121122002121 is a deficient number, since it is larger than the sum of its proper divisors (101920182023).

1121122002121 is a wasteful number, since it uses less digits than its factorization.

1121122002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101920182022.

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

Adding to 1121122002121 its reverse (1212002211211), we get a palindrome (2333124213332).

The spelling of 1121122002121 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, two thousand, one hundred twenty-one".