1121001201112 has 32 divisors (see below), whose sum is σ = 2263819682880. Its totient is φ = 517325840640.

The previous prime is 1121001201109. The next prime is 1121001201179. The reversal of 1121001201112 is 2111021001211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1121001201092 and 1121001201101.

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, 299812 + ... + 1527052.

It is an arithmetic number, because the mean of its divisors is an integer number (70744365090).

Almost surely, 2^{1121001201112} is an apocalyptic number.

It is an amenable number.

1121001201112 is an abundant number, since it is smaller than the sum of its proper divisors (1142818481768).

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

1121001201112 is a wasteful number, since it uses less digits than its factorization.

1121001201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236043 (or 1236039 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1121001201112 its reverse (2111021001211), we get a palindrome (3232022202323).

The spelling of 1121001201112 in words is "one trillion, one hundred twenty-one billion, one million, two hundred one thousand, one hundred twelve".