210020120222011 has 16 divisors (see below), whose sum is σ = 236304309063168. Its totient is φ = 185014947772000.

The previous prime is 210020120222009. The next prime is 210020120222023. The reversal of 210020120222011 is 110222021020012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 210020120222011 - 2¹ = 210020120222009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210020120222071) 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, 2010979825 + ... + 2011084258.

It is an arithmetic number, because the mean of its divisors is an integer number (14769019316448).

Almost surely, 2^{210020120222011} is an apocalyptic number.

210020120222011 is a deficient number, since it is larger than the sum of its proper divisors (26284188841157).

210020120222011 is a wasteful number, since it uses less digits than its factorization.

210020120222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022064242.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210020120222011 its reverse (110222021020012), we get a palindrome (320242141242023).

The spelling of 210020120222011 in words is "two hundred ten trillion, twenty billion, one hundred twenty million, two hundred twenty-two thousand, eleven".