2120221120011 has 16 divisors (see below), whose sum is σ = 2956327770624. Its totient is φ = 1349066562624.

The previous prime is 2120221119977. The next prime is 2120221120177. The reversal of 2120221120011 is 1100211220212.

It is not a de Polignac number, because 2120221120011 - 2¹³ = 2120221111819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120221120211) 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, 33587551 + ... + 33650616.

It is an arithmetic number, because the mean of its divisors is an integer number (184770485664).

Almost surely, 2^{2120221120011} is an apocalyptic number.

2120221120011 is a deficient number, since it is larger than the sum of its proper divisors (836106650613).

2120221120011 is a wasteful number, since it uses less digits than its factorization.

2120221120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67238650.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2120221120011 its reverse (1100211220212), we get a palindrome (3220432340223).

The spelling of 2120221120011 in words is "two trillion, one hundred twenty billion, two hundred twenty-one million, one hundred twenty thousand, eleven".