22233010001021 has 4 divisors (see below), whose sum is σ = 22395294745692. Its totient is φ = 22070725256352.

The previous prime is 22233010001009. The next prime is 22233010001119. The reversal of 22233010001021 is 12010001033222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14389011091225 + 7843998909796 = 3793285^2 + 2800714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22233010001021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22233010001621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81142372130 + ... + 81142372403.

It is an arithmetic number, because the mean of its divisors is an integer number (5598823686423).

Almost surely, 2^{22233010001021} is an apocalyptic number.

It is an amenable number.

22233010001021 is a deficient number, since it is larger than the sum of its proper divisors (162284744671).

22233010001021 is a wasteful number, since it uses less digits than its factorization.

22233010001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162284744670.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22233010001021 its reverse (12010001033222), we get a palindrome (34243011034243).

The spelling of 22233010001021 in words is "twenty-two trillion, two hundred thirty-three billion, ten million, one thousand, twenty-one".