21111010200003 has 8 divisors (see below), whose sum is σ = 28148099568400. Its totient is φ = 14073963815808.

The previous prime is 21111010199963. The next prime is 21111010200013. The reversal of 21111010200003 is 30000201011112.

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

It is not a de Polignac number, because 21111010200003 - 2⁹ = 21111010199491 is a prime.

It is a super-2 number, since 2×21111010200003² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21111010200013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9582058 + ... + 11577471.

It is an arithmetic number, because the mean of its divisors is an integer number (3518512446050).

Almost surely, 2^{21111010200003} is an apocalyptic number.

21111010200003 is a deficient number, since it is larger than the sum of its proper divisors (7037089368397).

21111010200003 is a wasteful number, since it uses less digits than its factorization.

21111010200003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21492101.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 21111010200003 its reverse (30000201011112), we get a palindrome (51111211211115).

The spelling of 21111010200003 in words is "twenty-one trillion, one hundred eleven billion, ten million, two hundred thousand, three".