1101111221202 has 16 divisors (see below), whose sum is σ = 2331764939232. Its totient is φ = 345446657600.

The previous prime is 1101111221201. The next prime is 1101111221261. The reversal of 1101111221202 is 2021221111011.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1101111221201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5397603924 + ... + 5397604127.

It is an arithmetic number, because the mean of its divisors is an integer number (145735308702).

Almost surely, 2^{1101111221202} is an apocalyptic number.

1101111221202 is an abundant number, since it is smaller than the sum of its proper divisors (1230653718030).

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

1101111221202 is a wasteful number, since it uses less digits than its factorization.

1101111221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10795208073.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1101111221202 its reverse (2021221111011), we get a palindrome (3122332332213).

The spelling of 1101111221202 in words is "one trillion, one hundred one billion, one hundred eleven million, two hundred twenty-one thousand, two hundred two".