1101111220102 has 32 divisors (see below), whose sum is σ = 1765681182720. Its totient is φ = 513725551680.

The previous prime is 1101111220019. The next prime is 1101111220103. The reversal of 1101111220102 is 2010221111011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101111220103) 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, 26955049 + ... + 26995867.

It is an arithmetic number, because the mean of its divisors is an integer number (55177536960).

Almost surely, 2^{1101111220102} is an apocalyptic number.

1101111220102 is a deficient number, since it is larger than the sum of its proper divisors (664569962618).

1101111220102 is a wasteful number, since it uses less digits than its factorization.

1101111220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55188.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1101111220102 its reverse (2010221111011), we get a palindrome (3111332331113).

The spelling of 1101111220102 in words is "one trillion, one hundred one billion, one hundred eleven million, two hundred twenty thousand, one hundred two".