201029423101 has 8 divisors (see below), whose sum is σ = 221773548024. Its totient is φ = 181039630080.

The previous prime is 201029423083. The next prime is 201029423141. The reversal of 201029423101 is 101324920102.

It can be written as a sum of positive squares in 4 ways, for example, as 9264255001 + 191765168100 = 96251^2 + 437910^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 201029423101 - 2⁹ = 201029422589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201029423141) 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, 188582416 + ... + 188583481.

It is an arithmetic number, because the mean of its divisors is an integer number (27721693503).

Almost surely, 2^201029423101 is an apocalyptic number.

It is an amenable number.

201029423101 is a deficient number, since it is larger than the sum of its proper divisors (20744124923).

201029423101 is a wasteful number, since it uses less digits than its factorization.

201029423101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377165951.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 201029423101 in words is "two hundred one billion, twenty-nine million, four hundred twenty-three thousand, one hundred one".