22001102003 has 4 divisors (see below), whose sum is σ = 23159054760. Its totient is φ = 20843149248.

The previous prime is 22001101961. The next prime is 22001102009. The reversal of 22001102003 is 30020110022.

It is a happy number.

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 22001102003 - 2¹² = 22001097907 is a prime.

It is a super-2 number, since 2×22001102003² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22001102009) 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, 578976350 + ... + 578976387.

It is an arithmetic number, because the mean of its divisors is an integer number (5789763690).

Almost surely, 2^22001102003 is an apocalyptic number.

22001102003 is a deficient number, since it is larger than the sum of its proper divisors (1157952757).

22001102003 is a wasteful number, since it uses less digits than its factorization.

22001102003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157952756.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 22001102003 its reverse (30020110022), we get a palindrome (52021212025).

The spelling of 22001102003 in words is "twenty-two billion, one million, one hundred two thousand, three".