110121211120100 has 18 divisors (see below), whose sum is σ = 238963028130834. Its totient is φ = 44048484448000.

The previous prime is 110121211120061. The next prime is 110121211120103. The reversal of 110121211120100 is 1021112121011.

It can be written as a sum of positive squares in 3 ways, for example, as 4248306344164 + 105872904775936 = 2061142^2 + 10289456^2 .

It is a super-2 number, since 2×110121211120100² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (110121211120103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 550606055501 + ... + 550606055700.

Almost surely, 2^{110121211120100} is an apocalyptic number.

110121211120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110121211120100 is an abundant number, since it is smaller than the sum of its proper divisors (128841817010734).

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

110121211120100 is a wasteful number, since it uses less digits than its factorization.

110121211120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101212111215 (or 1101212111208 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 110121211120100 its reverse (1021112121011), we get a palindrome (111142323241111).

The spelling of 110121211120100 in words is "one hundred ten trillion, one hundred twenty-one billion, two hundred eleven million, one hundred twenty thousand, one hundred".