11000022001021 has 8 divisors (see below), whose sum is σ = 11216786840064. Its totient is φ = 10785371941200.

The previous prime is 11000022000953. The next prime is 11000022001037. The reversal of 11000022001021 is 12010022000011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11000022001021 - 2³¹ = 10997874517373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11000022000989 and 11000022001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000022001051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528684301 + ... + 528705106.

It is an arithmetic number, because the mean of its divisors is an integer number (1402098355008).

Almost surely, 2^{11000022001021} is an apocalyptic number.

It is an amenable number.

11000022001021 is a deficient number, since it is larger than the sum of its proper divisors (216764839043).

11000022001021 is a wasteful number, since it uses less digits than its factorization.

11000022001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057389611.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11000022001021 its reverse (12010022000011), we get a palindrome (23010044001032).

The spelling of 11000022001021 in words is "eleven trillion, twenty-two million, one thousand, twenty-one".