1121112120201 has 16 divisors (see below), whose sum is σ = 1541053962624. Its totient is φ = 724442793984.

The previous prime is 1121112120157. The next prime is 1121112120217. The reversal of 1121112120201 is 1020212111211.

It is a happy number.

It is not a de Polignac number, because 1121112120201 - 2⁶ = 1121112120137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121112120281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19172536 + ... + 19230921.

It is an arithmetic number, because the mean of its divisors is an integer number (96315872664).

Almost surely, 2^{1121112120201} is an apocalyptic number.

It is an amenable number.

1121112120201 is a deficient number, since it is larger than the sum of its proper divisors (419941842423).

1121112120201 is a wasteful number, since it uses less digits than its factorization.

1121112120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38403760.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1121112120201 its reverse (1020212111211), we get a palindrome (2141324231412).

The spelling of 1121112120201 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, one hundred twenty thousand, two hundred one".