1133123031211 has 16 divisors (see below), whose sum is σ = 1152584294400. Its totient is φ = 1113792327648.

The previous prime is 1133123031191. The next prime is 1133123031221. The reversal of 1133123031211 is 1121303213311.

It is a cyclic number.

It is not a de Polignac number, because 1133123031211 - 2²¹ = 1133120934059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133123031221) 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, 102197310 + ... + 102208396.

It is an arithmetic number, because the mean of its divisors is an integer number (72036518400).

Almost surely, 2^{1133123031211} is an apocalyptic number.

1133123031211 is a deficient number, since it is larger than the sum of its proper divisors (19461263189).

1133123031211 is a wasteful number, since it uses less digits than its factorization.

1133123031211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16818.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1133123031211 its reverse (1121303213311), we get a palindrome (2254426244522).

The spelling of 1133123031211 in words is "one trillion, one hundred thirty-three billion, one hundred twenty-three million, thirty-one thousand, two hundred eleven".