221112212203 has 8 divisors (see below), whose sum is σ = 221588466480. Its totient is φ = 220636464480.

The previous prime is 221112212197. The next prime is 221112212263. The reversal of 221112212203 is 302212211122.

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 221112212203 - 2⁵ = 221112212171 is a prime.

It is a super-2 number, since 2×221112212203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221112212263) 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, 753876 + ... + 1005262.

It is an arithmetic number, because the mean of its divisors is an integer number (27698558310).

Almost surely, 2^221112212203 is an apocalyptic number.

221112212203 is a deficient number, since it is larger than the sum of its proper divisors (476254277).

221112212203 is a wasteful number, since it uses less digits than its factorization.

221112212203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253277.

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

Adding to 221112212203 its reverse (302212211122), we get a palindrome (523324423325).

The spelling of 221112212203 in words is "two hundred twenty-one billion, one hundred twelve million, two hundred twelve thousand, two hundred three".