2111244253242 has 64 divisors (see below), whose sum is σ = 4532696941824. Its totient is φ = 653193953280.

The previous prime is 2111244253231. The next prime is 2111244253249. The reversal of 2111244253242 is 2423524421112.

It is not an unprimeable number, because it can be changed into a prime (2111244253249) 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, 84030442 + ... + 84055562.

It is an arithmetic number, because the mean of its divisors is an integer number (70823389716).

Almost surely, 2^{2111244253242} is an apocalyptic number.

2111244253242 is an abundant number, since it is smaller than the sum of its proper divisors (2421452688582).

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

2111244253242 is a wasteful number, since it uses less digits than its factorization.

2111244253242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36503.

The product of its digits is 30720, while the sum is 33.

Adding to 2111244253242 its reverse (2423524421112), we get a palindrome (4534768674354).

The spelling of 2111244253242 in words is "two trillion, one hundred eleven billion, two hundred forty-four million, two hundred fifty-three thousand, two hundred forty-two".