10111221201100 has 36 divisors (see below), whose sum is σ = 23096157905800. Its totient is φ = 3831620664960.

The previous prime is 10111221201017. The next prime is 10111221201113. The reversal of 10111221201100 is 110212211101.

It is a happy number.

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, 2660845785 + ... + 2660849584.

Almost surely, 2^{10111221201100} is an apocalyptic number.

10111221201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111221201100 is an abundant number, since it is smaller than the sum of its proper divisors (12984936704700).

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

10111221201100 is a wasteful number, since it uses less digits than its factorization.

10111221201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5321695402 (or 5321695395 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10111221201100 its reverse (110212211101), we get a palindrome (10221433412201).

The spelling of 10111221201100 in words is "ten trillion, one hundred eleven billion, two hundred twenty-one million, two hundred one thousand, one hundred".