1102122121100 has 144 divisors (see below), whose sum is σ = 3211106309376. Its totient is φ = 317094048000.

The previous prime is 1102122121033. The next prime is 1102122121103. The reversal of 1102122121100 is 11212212011.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1102122121103) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 5405006 + ... + 5605205.

Almost surely, 2^{1102122121100} is an apocalyptic number.

1102122121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102122121100 is an abundant number, since it is smaller than the sum of its proper divisors (2108984188276).

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

1102122121100 is a wasteful number, since it uses less digits than its factorization.

1102122121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010256 (or 11010249 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1102122121100 its reverse (11212212011), we get a palindrome (1113334333111).

The spelling of 1102122121100 in words is "one trillion, one hundred two billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred".