1201000020101 has 8 divisors (see below), whose sum is σ = 1380239449920. Its totient is φ = 1023677589888.

The previous prime is 1201000020091. The next prime is 1201000020109. The reversal of 1201000020101 is 1010200001021.

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 1201000020101 - 2¹⁰ = 1201000019077 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 (1201000020109) 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, 479248556 + ... + 479251061.

It is an arithmetic number, because the mean of its divisors is an integer number (172529931240).

Almost surely, 2^{1201000020101} is an apocalyptic number.

It is an amenable number.

1201000020101 is a deficient number, since it is larger than the sum of its proper divisors (179239429819).

1201000020101 is an equidigital number, since it uses as much as digits as its factorization.

1201000020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958499803.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1201000020101 its reverse (1010200001021), we get a palindrome (2211200021122).

The spelling of 1201000020101 in words is "one trillion, two hundred one billion, twenty thousand, one hundred one".