11020000101021 has 12 divisors (see below), whose sum is σ = 16178725103580. Its totient is φ = 7226229574080.

The previous prime is 11020000100987. The next prime is 11020000101073. The reversal of 11020000101021 is 12010100002011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2637411728121 + 8382588372900 = 1624011^2 + 2895270^2 .

It is not a de Polignac number, because 11020000101021 - 2⁶ = 11020000100957 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 11020000100994 and 11020000101012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020000101091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10036429416 + ... + 10036430513.

It is an arithmetic number, because the mean of its divisors is an integer number (1348227091965).

Almost surely, 2^{11020000101021} is an apocalyptic number.

It is an amenable number.

11020000101021 is a deficient number, since it is larger than the sum of its proper divisors (5158725002559).

11020000101021 is a wasteful number, since it uses less digits than its factorization.

11020000101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20072859996 (or 20072859993 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11020000101021 its reverse (12010100002011), we get a palindrome (23030100103032).

The spelling of 11020000101021 in words is "eleven trillion, twenty billion, one hundred one thousand, twenty-one".