201001232220231 has 16 divisors (see below), whose sum is σ = 273148605305856. Its totient is φ = 131429013040416.

The previous prime is 201001232220221. The next prime is 201001232220281. The reversal of 201001232220231 is 132022232100102.

It is not a de Polignac number, because 201001232220231 - 2¹⁷ = 201001232089159 is a prime.

It is a super-2 number, since 2×201001232220231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201001232220198 and 201001232220207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001232220221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208609435 + ... + 209570748.

It is an arithmetic number, because the mean of its divisors is an integer number (17071787831616).

Almost surely, 2^{201001232220231} is an apocalyptic number.

201001232220231 is a deficient number, since it is larger than the sum of its proper divisors (72147373085625).

201001232220231 is a wasteful number, since it uses less digits than its factorization.

201001232220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418183262.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 201001232220231 its reverse (132022232100102), we get a palindrome (333023464320333).

The spelling of 201001232220231 in words is "two hundred one trillion, one billion, two hundred thirty-two million, two hundred twenty thousand, two hundred thirty-one".