1111012120434 has 16 divisors (see below), whose sum is σ = 2248795618272. Its totient is φ = 365875477248.

The previous prime is 1111012120399. The next prime is 1111012120453. The reversal of 1111012120434 is 4340212101111.

It is a self number, because there is not a number n which added to its sum of digits gives 1111012120434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1115473519 + ... + 1115474514.

It is an arithmetic number, because the mean of its divisors is an integer number (140549726142).

Almost surely, 2^{1111012120434} is an apocalyptic number.

1111012120434 is an abundant number, since it is smaller than the sum of its proper divisors (1137783497838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111012120434 is a wasteful number, since it uses less digits than its factorization.

1111012120434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230948121.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1111012120434 its reverse (4340212101111), we get a palindrome (5451224221545).

The spelling of 1111012120434 in words is "one trillion, one hundred eleven billion, twelve million, one hundred twenty thousand, four hundred thirty-four".