2111020120010 has 16 divisors (see below), whose sum is σ = 3892515148872. Its totient is φ = 823812729600.

The previous prime is 2111020119997. The next prime is 2111020120021. The reversal of 2111020120010 is 100210201112.

It can be written as a sum of positive squares in 4 ways, for example, as 1703022390001 + 407997730009 = 1304999^2 + 638747^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2111020119973 and 2111020120000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2574414371 + ... + 2574415190.

Almost surely, 2^{2111020120010} is an apocalyptic number.

2111020120010 is a deficient number, since it is larger than the sum of its proper divisors (1781495028862).

2111020120010 is a wasteful number, since it uses less digits than its factorization.

2111020120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5148829609.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2111020120010 its reverse (100210201112), we get a palindrome (2211230321122).

The spelling of 2111020120010 in words is "two trillion, one hundred eleven billion, twenty million, one hundred twenty thousand, ten".