201022020011 has 16 divisors (see below), whose sum is σ = 205066288608. Its totient is φ = 197002713600.

The previous prime is 201022020007. The next prime is 201022020071. The reversal of 201022020011 is 110020220102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201022020011 - 2² = 201022020007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201022019974 and 201022020001.

It is not an unprimeable number, because it can be changed into a prime (201022020071) 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, 54372515 + ... + 54376211.

It is an arithmetic number, because the mean of its divisors is an integer number (12816643038).

Almost surely, 2^201022020011 is an apocalyptic number.

201022020011 is a deficient number, since it is larger than the sum of its proper divisors (4044268597).

201022020011 is a wasteful number, since it uses less digits than its factorization.

201022020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6782.

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

Adding to 201022020011 its reverse (110020220102), we get a palindrome (311042240113).

The spelling of 201022020011 in words is "two hundred one billion, twenty-two million, twenty thousand, eleven".