11000052021 has 16 divisors (see below), whose sum is σ = 16763532800. Its totient is φ = 6285163248.

The previous prime is 11000052017. The next prime is 11000052029. The reversal of 11000052021 is 12025000011.

It is not a de Polignac number, because 11000052021 - 2² = 11000052017 is a prime.

It is a super-2 number, since 2×11000052021² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11000051988 and 11000052006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000052029) 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, 327090 + ... + 359148.

It is an arithmetic number, because the mean of its divisors is an integer number (1047720800).

Almost surely, 2^11000052021 is an apocalyptic number.

It is an amenable number.

11000052021 is a deficient number, since it is larger than the sum of its proper divisors (5763480779).

11000052021 is a wasteful number, since it uses less digits than its factorization.

11000052021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48408.

The product of its (nonzero) digits is 20, while the sum is 12.

Adding to 11000052021 its reverse (12025000011), we get a palindrome (23025052032).

The spelling of 11000052021 in words is "eleven billion, fifty-two thousand, twenty-one".