2111021000002 has 4 divisors (see below), whose sum is σ = 3166531500006. Its totient is φ = 1055510500000.

The previous prime is 2111020999987. The next prime is 2111021000009. The reversal of 2111021000002 is 2000001201112.

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., 1498888452681 + 612132547321 = 1224291^2 + 782389^2 .

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527755249999 + ... + 527755250002.

Almost surely, 2^{2111021000002} is an apocalyptic number.

2111021000002 is a deficient number, since it is larger than the sum of its proper divisors (1055510500004).

2111021000002 is a wasteful number, since it uses less digits than its factorization.

2111021000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055510500003.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2111021000002 its reverse (2000001201112), we get a palindrome (4111022201114).

The spelling of 2111021000002 in words is "two trillion, one hundred eleven billion, twenty-one million, two", and thus it is an aban number.