2120211021110 has 64 divisors (see below), whose sum is σ = 4702440500352. Its totient is φ = 670246465536.

The previous prime is 2120211021101. The next prime is 2120211021133. The reversal of 2120211021110 is 111201120212.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 530267 + ... + 2126406.

It is an arithmetic number, because the mean of its divisors is an integer number (73475632818).

Almost surely, 2^{2120211021110} is an apocalyptic number.

2120211021110 is an abundant number, since it is smaller than the sum of its proper divisors (2582229479242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120211021110 is a wasteful number, since it uses less digits than its factorization.

2120211021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657577.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2120211021110 its reverse (111201120212), we get a palindrome (2231412141322).

The spelling of 2120211021110 in words is "two trillion, one hundred twenty billion, two hundred eleven million, twenty-one thousand, one hundred ten".