1110121012100 has 36 divisors (see below), whose sum is σ = 2492030278500. Its totient is φ = 428736389760.

The previous prime is 1110121012081. The next prime is 1110121012181. The reversal of 1110121012100 is 12101210111.

It can be written as a sum of positive squares in 6 ways, for example, as 1126676356 + 1108994335744 = 33566^2 + 1053088^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191397275 + ... + 191403074.

Almost surely, 2^{1110121012100} is an apocalyptic number.

1110121012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110121012100 is an abundant number, since it is smaller than the sum of its proper divisors (1381909266400).

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

1110121012100 is a wasteful number, since it uses less digits than its factorization.

1110121012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382800392 (or 382800385 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1110121012100 its reverse (12101210111), we get a palindrome (1122222222211).

The spelling of 1110121012100 in words is "one trillion, one hundred ten billion, one hundred twenty-one million, twelve thousand, one hundred".