22001212112203 has 8 divisors (see below), whose sum is σ = 22963055829408. Its totient is φ = 21039807501504.

The previous prime is 22001212112147. The next prime is 22001212112221. The reversal of 22001212112203 is 30221121210022.

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 22001212112203 - 2¹⁷ = 22001211981131 is a prime.

It is a super-2 number, since 2×22001212112203² (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 (22001212112233) 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, 109674226 + ... + 109874647.

It is an arithmetic number, because the mean of its divisors is an integer number (2870381978676).

Almost surely, 2^{22001212112203} is an apocalyptic number.

22001212112203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22001212112203 is a deficient number, since it is larger than the sum of its proper divisors (961843717205).

22001212112203 is a wasteful number, since it uses less digits than its factorization.

22001212112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219553253.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22001212112203 its reverse (30221121210022), we get a palindrome (52222333322225).

The spelling of 22001212112203 in words is "twenty-two trillion, one billion, two hundred twelve million, one hundred twelve thousand, two hundred three".