1121102220012 has 48 divisors (see below), whose sum is σ = 2640348480000. Its totient is φ = 370209994560.

The previous prime is 1121102219999. The next prime is 1121102220041. The reversal of 1121102220012 is 2100222011211.

It is a junction number, because it is equal to n+sod(n) for n = 1121102219973 and 1121102220000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8054989 + ... + 8192987.

It is an arithmetic number, because the mean of its divisors is an integer number (55007260000).

Almost surely, 2^{1121102220012} is an apocalyptic number.

1121102220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121102220012 is an abundant number, since it is smaller than the sum of its proper divisors (1519246259988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121102220012 is a wasteful number, since it uses less digits than its factorization.

1121102220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144326 (or 144324 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1121102220012 its reverse (2100222011211), we get a palindrome (3221324231223).

The spelling of 1121102220012 in words is "one trillion, one hundred twenty-one billion, one hundred two million, two hundred twenty thousand, twelve".