111002201010100 has 36 divisors (see below), whose sum is σ = 240943265660524. Its totient is φ = 44388255617280.

The previous prime is 111002201010091. The next prime is 111002201010187. The reversal of 111002201010100 is 1010102200111.

It can be written as a sum of positive squares in 6 ways, for example, as 2166772224016 + 108835428786084 = 1471996^2 + 10432422^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent 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, 157456377 + ... + 158159776.

Almost surely, 2^{111002201010100} is an apocalyptic number.

111002201010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111002201010100 is an abundant number, since it is smaller than the sum of its proper divisors (129941064650424).

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

111002201010100 is a wasteful number, since it uses less digits than its factorization.

111002201010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315619684 (or 315619677 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111002201010100 its reverse (1010102200111), we get a palindrome (112012303210211).

It can be divided in two parts, 111002 and 201010100, that added together give a palindrome (201121102).

The spelling of 111002201010100 in words is "one hundred eleven trillion, two billion, two hundred one million, ten thousand, one hundred".