2111020021010 has 32 divisors (see below), whose sum is σ = 3820800015360. Its totient is φ = 839752270848.

The previous prime is 2111020021001. The next prime is 2111020021067. The reversal of 2111020021010 is 101200201112.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2111020020982 and 2111020021000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5645519 + ... + 6007821.

It is an arithmetic number, because the mean of its divisors is an integer number (119400000480).

Almost surely, 2^{2111020021010} is an apocalyptic number.

2111020021010 is a deficient number, since it is larger than the sum of its proper divisors (1709779994350).

2111020021010 is a wasteful number, since it uses less digits than its factorization.

2111020021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365522.

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

Adding to 2111020021010 its reverse (101200201112), we get a palindrome (2212220222122).

The spelling of 2111020021010 in words is "two trillion, one hundred eleven billion, twenty million, twenty-one thousand, ten".