2111021000003 has 16 divisors (see below), whose sum is σ = 2181076660224. Its totient is φ = 2041088690880.

The previous prime is 2111020999987. The next prime is 2111021000009. The reversal of 2111021000003 is 3000001201112.

It is a cyclic number.

It is not a de Polignac number, because 2111021000003 - 2⁴ = 2111020999987 is a prime.

It is a super-2 number, since 2×2111021000003² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111021000009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190399526 + ... + 190410612.

It is an arithmetic number, because the mean of its divisors is an integer number (136317291264).

Almost surely, 2^{2111021000003} is an apocalyptic number.

2111021000003 is a deficient number, since it is larger than the sum of its proper divisors (70055660221).

2111021000003 is a wasteful number, since it uses less digits than its factorization.

2111021000003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16082.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 2111021000003 its reverse (3000001201112), we get a palindrome (5111022201115).

The spelling of 2111021000003 in words is "two trillion, one hundred eleven billion, twenty-one million, three", and thus it is an aban number.