1121221102012 has 24 divisors (see below), whose sum is σ = 2253171594240. Its totient is φ = 482822483760.

The previous prime is 1121221102003. The next prime is 1121221102021. The reversal of 1121221102012 is 2102011221211.

It is an interprime number because it is at equal distance from previous prime (1121221102003) and next prime (1121221102021).

It is a congruent number.

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, 670585948 + ... + 670587619.

It is an arithmetic number, because the mean of its divisors is an integer number (93882149760).

Almost surely, 2^{1121221102012} is an apocalyptic number.

It is an amenable number.

1121221102012 is an abundant number, since it is smaller than the sum of its proper divisors (1131950492228).

1121221102012 is a wasteful number, since it uses less digits than its factorization.

1121221102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341173601 (or 1341173599 counting only the distinct ones).

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

Adding to 1121221102012 its reverse (2102011221211), we get a palindrome (3223232323223).

The spelling of 1121221102012 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred two thousand, twelve".