222121223200031 has 8 divisors (see below), whose sum is σ = 230742000734400. Its totient is φ = 213564540666400.

The previous prime is 222121223200013. The next prime is 222121223200049. The reversal of 222121223200031 is 130002322121222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222121223200013) and next prime (222121223200049).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222121223200031 is a prime.

It is a super-2 number, since 2×222121223200031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222121223200831) 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, 16023743120 + ... + 16023756981.

It is an arithmetic number, because the mean of its divisors is an integer number (28842750091800).

Almost surely, 2^{222121223200031} is an apocalyptic number.

222121223200031 is a deficient number, since it is larger than the sum of its proper divisors (8620777534369).

222121223200031 is a wasteful number, since it uses less digits than its factorization.

222121223200031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32047500369.

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

Adding to 222121223200031 its reverse (130002322121222), we get a palindrome (352123545321253).

The spelling of 222121223200031 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, two hundred twenty-three million, two hundred thousand, thirty-one".