1202112111 has 16 divisors (see below), whose sum is σ = 1624655360. Its totient is φ = 790508160.

The previous prime is 1202112077. The next prime is 1202112113. The reversal of 1202112111 is 1112112021.

It is not a de Polignac number, because 1202112111 - 2⁶ = 1202112047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202112113) 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, 361191 + ... + 364503.

It is an arithmetic number, because the mean of its divisors is an integer number (101540960).

Almost surely, 2^1202112111 is an apocalyptic number.

1202112111 is a deficient number, since it is larger than the sum of its proper divisors (422543249).

1202112111 is a wasteful number, since it uses less digits than its factorization.

1202112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4926.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1202112111 is about 34671.4884451187. The cubic root of 1202112111 is about 1063.2816628838.

Adding to 1202112111 its reverse (1112112021), we get a palindrome (2314224132).

The spelling of 1202112111 in words is "one billion, two hundred two million, one hundred twelve thousand, one hundred eleven".