20111112100010 has 8 divisors (see below), whose sum is σ = 36200001780036. Its totient is φ = 8044444840000.

The previous prime is 20111112100007. The next prime is 20111112100067. The reversal of 20111112100010 is 1000121111102.

It can be written as a sum of positive squares in 2 ways, for example, as 20004660639649 + 106451460361 = 4472657^2 + 326269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20111112099964 and 20111112100000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005555604991 + ... + 1005555605010.

Almost surely, 2^{20111112100010} is an apocalyptic number.

20111112100010 is a deficient number, since it is larger than the sum of its proper divisors (16088889680026).

20111112100010 is a wasteful number, since it uses less digits than its factorization.

20111112100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011111210008.

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

Adding to 20111112100010 its reverse (1000121111102), we get a palindrome (21111233211112).

The spelling of 20111112100010 in words is "twenty trillion, one hundred eleven billion, one hundred twelve million, one hundred thousand, ten".