1101220242 has 32 divisors (see below), whose sum is σ = 2245689600. Its totient is φ = 359935488.

The previous prime is 1101220193. The next prime is 1101220247. The reversal of 1101220242 is 2420221011.

It is not an unprimeable number, because it can be changed into a prime (1101220247) 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, 54759 + ... + 72117.

It is an arithmetic number, because the mean of its divisors is an integer number (70177800).

Almost surely, 2^1101220242 is an apocalyptic number.

1101220242 is an abundant number, since it is smaller than the sum of its proper divisors (1144469358).

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

1101220242 is a wasteful number, since it uses less digits than its factorization.

1101220242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17570.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1101220242 is about 33184.6386450116. The cubic root of 1101220242 is about 1032.6616809307.

Adding to 1101220242 its reverse (2420221011), we get a palindrome (3521441253).

The spelling of 1101220242 in words is "one billion, one hundred one million, two hundred twenty thousand, two hundred forty-two".