11020202001 has 24 divisors (see below), whose sum is σ = 16270450560. Its totient is φ = 7184427936.

The previous prime is 11020201999. The next prime is 11020202041. The reversal of 11020202001 is 10020202011.

It is not a de Polignac number, because 11020202001 - 2¹ = 11020201999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11020202041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 522211 + ... + 542903.

It is an arithmetic number, because the mean of its divisors is an integer number (677935440).

Almost surely, 2^11020202001 is an apocalyptic number.

It is an amenable number.

11020202001 is a deficient number, since it is larger than the sum of its proper divisors (5250248559).

11020202001 is a wasteful number, since it uses less digits than its factorization.

11020202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22005 (or 22002 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 11020202001 its reverse (10020202011), we get a palindrome (21040404012).

The spelling of 11020202001 in words is "eleven billion, twenty million, two hundred two thousand, one".