2120212101011 has 16 divisors (see below), whose sum is σ = 2265229032768. Its totient is φ = 1977457305600.

The previous prime is 2120212100989. The next prime is 2120212101023. The reversal of 2120212101011 is 1101012120212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120212101011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120212101031) 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, 10234346 + ... + 10439456.

It is an arithmetic number, because the mean of its divisors is an integer number (141576814548).

Almost surely, 2^{2120212101011} is an apocalyptic number.

2120212101011 is a deficient number, since it is larger than the sum of its proper divisors (145016931757).

2120212101011 is a wasteful number, since it uses less digits than its factorization.

2120212101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210622.

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

Adding to 2120212101011 its reverse (1101012120212), we get a palindrome (3221224221223).

The spelling of 2120212101011 in words is "two trillion, one hundred twenty billion, two hundred twelve million, one hundred one thousand, eleven".