1121101122212 has 24 divisors (see below), whose sum is σ = 2088811441080. Its totient is φ = 524662202880.

The previous prime is 1121101122209. The next prime is 1121101122217. The reversal of 1121101122212 is 2122211011211.

It can be written as a sum of positive squares in 4 ways, for example, as 12578519716 + 1108522602496 = 112154^2 + 1052864^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (1121101122217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45531287 + ... + 45555902.

It is an arithmetic number, because the mean of its divisors is an integer number (87033810045).

Almost surely, 2^{1121101122212} is an apocalyptic number.

It is an amenable number.

1121101122212 is a deficient number, since it is larger than the sum of its proper divisors (967710318868).

1121101122212 is a wasteful number, since it uses less digits than its factorization.

1121101122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91087391 (or 91087389 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1121101122212 its reverse (2122211011211), we get a palindrome (3243312133423).

The spelling of 1121101122212 in words is "one trillion, one hundred twenty-one billion, one hundred one million, one hundred twenty-two thousand, two hundred twelve".