111121202100002 has 4 divisors (see below), whose sum is σ = 166681803150006. Its totient is φ = 55560601050000.

The previous prime is 111121202099953. The next prime is 111121202100047. The reversal of 111121202100002 is 200001202121111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 59824795153201 + 51296406946801 = 7734649^2 + 7162151^2 .

It is a super-2 number, since 2×111121202100002² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111121202100002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27780300524999 + ... + 27780300525002.

Almost surely, 2^{111121202100002} is an apocalyptic number.

111121202100002 is a deficient number, since it is larger than the sum of its proper divisors (55560601050004).

111121202100002 is an equidigital number, since it uses as much as digits as its factorization.

111121202100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55560601050003.

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

Adding to 111121202100002 its reverse (200001202121111), we get a palindrome (311122404221113).

The spelling of 111121202100002 in words is "one hundred eleven trillion, one hundred twenty-one billion, two hundred two million, one hundred thousand, two".