1011120211123 has 32 divisors (see below), whose sum is σ = 1181104128000. Its totient is φ = 855822633120.

The previous prime is 1011120211121. The next prime is 1011120211147. The reversal of 1011120211123 is 3211120211101.

It is a happy number.

It is not a de Polignac number, because 1011120211123 - 2¹ = 1011120211121 is a prime.

It is a super-2 number, since 2×1011120211123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011120211097 and 1011120211106.

It is not an unprimeable number, because it can be changed into a prime (1011120211121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54826738 + ... + 54845176.

It is an arithmetic number, because the mean of its divisors is an integer number (36909504000).

Almost surely, 2^{1011120211123} is an apocalyptic number.

1011120211123 is a deficient number, since it is larger than the sum of its proper divisors (169983916877).

1011120211123 is a wasteful number, since it uses less digits than its factorization.

1011120211123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22975.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1011120211123 its reverse (3211120211101), we get a palindrome (4222240422224).

The spelling of 1011120211123 in words is "one trillion, eleven billion, one hundred twenty million, two hundred eleven thousand, one hundred twenty-three".