2011122111134 has 4 divisors (see below), whose sum is σ = 3016683166704. Its totient is φ = 1005561055566.

The previous prime is 2011122111133. The next prime is 2011122111151. The reversal of 2011122111134 is 4311112211102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2011122111134² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011122111133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502780527782 + ... + 502780527785.

It is an arithmetic number, because the mean of its divisors is an integer number (754170791676).

Almost surely, 2^{2011122111134} is an apocalyptic number.

2011122111134 is a deficient number, since it is larger than the sum of its proper divisors (1005561055570).

2011122111134 is a wasteful number, since it uses less digits than its factorization.

2011122111134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005561055569.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 2011122111134 its reverse (4311112211102), we get a palindrome (6322234322236).

The spelling of 2011122111134 in words is "two trillion, eleven billion, one hundred twenty-two million, one hundred eleven thousand, one hundred thirty-four".