1101343022142 has 64 divisors (see below), whose sum is σ = 2533010538240. Its totient is φ = 315723744000.

The previous prime is 1101343022119. The next prime is 1101343022149. The reversal of 1101343022142 is 2412203431011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101343022149) 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, 252618 + ... + 1505490.

It is an arithmetic number, because the mean of its divisors is an integer number (39578289660).

Almost surely, 2^{1101343022142} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101343022142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1266505269120).

1101343022142 is an abundant number, since it is smaller than the sum of its proper divisors (1431667516098).

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

1101343022142 is a wasteful number, since it uses less digits than its factorization.

1101343022142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253609.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1101343022142 its reverse (2412203431011), we get a palindrome (3513546453153).

The spelling of 1101343022142 in words is "one trillion, one hundred one billion, three hundred forty-three million, twenty-two thousand, one hundred forty-two".