20223311021099 has 4 divisors (see below), whose sum is σ = 20240699939736. Its totient is φ = 20205922102464.

The previous prime is 20223311021087. The next prime is 20223311021107. The reversal of 20223311021099 is 99012011332202.

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

It is a cyclic number.

It is not a de Polignac number, because 20223311021099 - 2¹⁶ = 20223310955563 is a prime.

It is a super-2 number, since 2×20223311021099² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20223311027099) 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, 8694457574 + ... + 8694459899.

It is an arithmetic number, because the mean of its divisors is an integer number (5060174984934).

Almost surely, 2^{20223311021099} is an apocalyptic number.

20223311021099 is a deficient number, since it is larger than the sum of its proper divisors (17388918637).

20223311021099 is a wasteful number, since it uses less digits than its factorization.

20223311021099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17388918636.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 20223311021099 in words is "twenty trillion, two hundred twenty-three billion, three hundred eleven million, twenty-one thousand, ninety-nine".