22101220003 has 4 divisors (see below), whose sum is σ = 22518224208. Its totient is φ = 21684215800.

The previous prime is 22101219989. The next prime is 22101220069. The reversal of 22101220003 is 30002210122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22101220003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22101220103) 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, 208502023 + ... + 208502128.

It is an arithmetic number, because the mean of its divisors is an integer number (5629556052).

Almost surely, 2^22101220003 is an apocalyptic number.

22101220003 is a deficient number, since it is larger than the sum of its proper divisors (417004205).

22101220003 is an equidigital number, since it uses as much as digits as its factorization.

22101220003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417004204.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22101220003 its reverse (30002210122), we get a palindrome (52103430125).

The spelling of 22101220003 in words is "twenty-two billion, one hundred one million, two hundred twenty thousand, three".