1101122121112 has 32 divisors (see below), whose sum is σ = 2340441759600. Its totient is φ = 481462303104.

The previous prime is 1101122121101. The next prime is 1101122121157. The reversal of 1101122121112 is 2111212211011.

It is a super-2 number, since 2×1101122121112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278622043 + ... + 278625994.

Almost surely, 2^{1101122121112} is an apocalyptic number.

It is an amenable number.

1101122121112 is an abundant number, since it is smaller than the sum of its proper divisors (1239319638488).

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

1101122121112 is a wasteful number, since it uses less digits than its factorization.

1101122121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557248075 (or 557248071 counting only the distinct ones).

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

Adding to 1101122121112 its reverse (2111212211011), we get a palindrome (3212334332123).

The spelling of 1101122121112 in words is "one trillion, one hundred one billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred twelve".