1101212021110 has 32 divisors (see below), whose sum is σ = 1995687839232. Its totient is φ = 437487078240.

The previous prime is 1101212021083. The next prime is 1101212021123. The reversal of 1101212021110 is 111202121011.

It is a happy number.

It is a super-3 number, since 3×1101212021110³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2196645 + ... + 2650975.

It is an arithmetic number, because the mean of its divisors is an integer number (62365244976).

Almost surely, 2^{1101212021110} is an apocalyptic number.

1101212021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1101212021110 is a deficient number, since it is larger than the sum of its proper divisors (894475818122).

1101212021110 is a wasteful number, since it uses less digits than its factorization.

1101212021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455988.

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

Adding to 1101212021110 its reverse (111202121011), we get a palindrome (1212414142121).

Subtracting from 1101212021110 its reverse (111202121011), we obtain a palindrome (990009900099).

The spelling of 1101212021110 in words is "one trillion, one hundred one billion, two hundred twelve million, twenty-one thousand, one hundred ten".