1122122101110 has 32 divisors (see below), whose sum is σ = 2693132720640. Its totient is φ = 299228151648.

The previous prime is 1122122101109. The next prime is 1122122101129. The reversal of 1122122101110 is 111012212211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1122122101110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2142469 + ... + 2614271.

It is an arithmetic number, because the mean of its divisors is an integer number (84160397520).

Almost surely, 2^{1122122101110} is an apocalyptic number.

1122122101110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122122101110 is an abundant number, since it is smaller than the sum of its proper divisors (1571010619530).

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

1122122101110 is a wasteful number, since it uses less digits than its factorization.

1122122101110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551092.

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

Adding to 1122122101110 its reverse (111012212211), we get a palindrome (1233134313321).

The spelling of 1122122101110 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred one thousand, one hundred ten".