201022002011 has 6 divisors (see below), whose sum is σ = 212158955412. Its totient is φ = 190441896300.

The previous prime is 201022002007. The next prime is 201022002023. The reversal of 201022002011 is 110200220102.

It is a happy number.

It is not a de Polignac number, because 201022002011 - 2² = 201022002007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201022001983 and 201022002001.

It is not an unprimeable number, because it can be changed into a prime (201022002211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278423465 + ... + 278424186.

It is an arithmetic number, because the mean of its divisors is an integer number (35359825902).

Almost surely, 2^201022002011 is an apocalyptic number.

201022002011 is a deficient number, since it is larger than the sum of its proper divisors (11136953401).

201022002011 is an equidigital number, since it uses as much as digits as its factorization.

201022002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556847689 (or 556847670 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201022002011 its reverse (110200220102), we get a palindrome (311222222113).

The spelling of 201022002011 in words is "two hundred one billion, twenty-two million, two thousand, eleven".