10201431231222 has 128 divisors (see below), whose sum is σ = 26546941624320. Its totient is φ = 2534169939840.

The previous prime is 10201431231157. The next prime is 10201431231253. The reversal of 10201431231222 is 22213213410201.

It is a super-2 number, since 2×10201431231222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10201431231192 and 10201431231201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82385268 + ... + 82509000.

It is an arithmetic number, because the mean of its divisors is an integer number (207397981440).

Almost surely, 2^{10201431231222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10201431231222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13273470812160).

10201431231222 is an abundant number, since it is smaller than the sum of its proper divisors (16345510393098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10201431231222 is a wasteful number, since it uses less digits than its factorization.

10201431231222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131538.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 10201431231222 its reverse (22213213410201), we get a palindrome (32414644641423).

The spelling of 10201431231222 in words is "ten trillion, two hundred one billion, four hundred thirty-one million, two hundred thirty-one thousand, two hundred twenty-two".