201043101029 has 4 divisors (see below), whose sum is σ = 205946591340. Its totient is φ = 196139610720.

The previous prime is 201043101023. The next prime is 201043101043. The reversal of 201043101029 is 920101340102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36912784129 + 164130316900 = 192127^2 + 405130^2 .

It is a cyclic number.

It is not a de Polignac number, because 201043101029 - 2⁸ = 201043100773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201043100995 and 201043101013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201043101023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2451745094 + ... + 2451745175.

It is an arithmetic number, because the mean of its divisors is an integer number (51486647835).

Almost surely, 2^201043101029 is an apocalyptic number.

It is an amenable number.

201043101029 is a deficient number, since it is larger than the sum of its proper divisors (4903490311).

201043101029 is an equidigital number, since it uses as much as digits as its factorization.

201043101029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4903490310.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 201043101029 in words is "two hundred one billion, forty-three million, one hundred one thousand, twenty-nine".