201001101021031 has 8 divisors (see below), whose sum is σ = 201727049629520. Its totient is φ = 200275262957952.

The previous prime is 201001101020953. The next prime is 201001101021047. The reversal of 201001101021031 is 130120101100102.

It is a happy number.

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 201001101021031 - 2²³ = 201001092632423 is a prime.

It is a super-2 number, since 2×201001101021031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001101001031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23992386 + ... + 31267183.

It is an arithmetic number, because the mean of its divisors is an integer number (25215881203690).

Almost surely, 2^{201001101021031} is an apocalyptic number.

201001101021031 is a deficient number, since it is larger than the sum of its proper divisors (725948608489).

201001101021031 is a wasteful number, since it uses less digits than its factorization.

201001101021031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55272705.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 201001101021031 its reverse (130120101100102), we get a palindrome (331121202121133).

The spelling of 201001101021031 in words is "two hundred one trillion, one billion, one hundred one million, twenty-one thousand, thirty-one".