111211010002 has 4 divisors (see below), whose sum is σ = 166816515006. Its totient is φ = 55605505000.

The previous prime is 111211009997. The next prime is 111211010011. The reversal of 111211010002 is 200010112111.

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., 107014691161 + 4196318841 = 327131^2 + 64779^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27802752499 + ... + 27802752502.

Almost surely, 2^111211010002 is an apocalyptic number.

111211010002 is a deficient number, since it is larger than the sum of its proper divisors (55605505004).

111211010002 is an equidigital number, since it uses as much as digits as its factorization.

111211010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55605505003.

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

Adding to 111211010002 its reverse (200010112111), we get a palindrome (311221122113).

The spelling of 111211010002 in words is "one hundred eleven billion, two hundred eleven million, ten thousand, two".