201223200222031 has 24 divisors (see below), whose sum is σ = 225439159608000. Its totient is φ = 179313218727552.

The previous prime is 201223200222029. The next prime is 201223200222139. The reversal of 201223200222031 is 130222002322102.

It is not a de Polignac number, because 201223200222031 - 2¹ = 201223200222029 is a prime.

It is a super-2 number, since 2×201223200222031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201223200221993 and 201223200222011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201223200222001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30462810 + ... + 36475048.

It is an arithmetic number, because the mean of its divisors is an integer number (9393298317000).

Almost surely, 2^{201223200222031} is an apocalyptic number.

201223200222031 is a deficient number, since it is larger than the sum of its proper divisors (24215959385969).

201223200222031 is a wasteful number, since it uses less digits than its factorization.

201223200222031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6019123 (or 6019110 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 201223200222031 its reverse (130222002322102), we get a palindrome (331445202544133).

The spelling of 201223200222031 in words is "two hundred one trillion, two hundred twenty-three billion, two hundred million, two hundred twenty-two thousand, thirty-one".