1122100453542 has 32 divisors (see below), whose sum is σ = 2247955694208. Its totient is φ = 373407826176.

The previous prime is 1122100453541. The next prime is 1122100453547. The reversal of 1122100453542 is 2453540012211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122100453541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60341398 + ... + 60359990.

It is an arithmetic number, because the mean of its divisors is an integer number (70248615444).

Almost surely, 2^{1122100453542} is an apocalyptic number.

1122100453542 is an abundant number, since it is smaller than the sum of its proper divisors (1125855240666).

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

1122100453542 is a wasteful number, since it uses less digits than its factorization.

1122100453542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34884.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1122100453542 its reverse (2453540012211), we get a palindrome (3575640465753).

The spelling of 1122100453542 in words is "one trillion, one hundred twenty-two billion, one hundred million, four hundred fifty-three thousand, five hundred forty-two".