22211322120203 has 4 divisors (see below), whose sum is σ = 22326406690968. Its totient is φ = 22096237549440.

The previous prime is 22211322120107. The next prime is 22211322120241. The reversal of 22211322120203 is 30202122311222.

It is a happy number.

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-22211322120203 is a prime.

It is a super-2 number, since 2×22211322120203² (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 (22211322120293) 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, 57542285093 + ... + 57542285478.

It is an arithmetic number, because the mean of its divisors is an integer number (5581601672742).

Almost surely, 2^{22211322120203} is an apocalyptic number.

22211322120203 is a deficient number, since it is larger than the sum of its proper divisors (115084570765).

22211322120203 is a wasteful number, since it uses less digits than its factorization.

22211322120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115084570764.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 22211322120203 its reverse (30202122311222), we get a palindrome (52413444431425).

The spelling of 22211322120203 in words is "twenty-two trillion, two hundred eleven billion, three hundred twenty-two million, one hundred twenty thousand, two hundred three".