101021120201 has 4 divisors (see below), whose sum is σ = 103485050004. Its totient is φ = 98557190400.

The previous prime is 101021120173. The next prime is 101021120219. The reversal of 101021120201 is 102021120101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102021120101 = 28979 ⋅3520519.

It can be written as a sum of positive squares in 2 ways, for example, as 41863206025 + 59157914176 = 204605^2 + 243224^2 .

It is a cyclic number.

It is not a de Polignac number, because 101021120201 - 2¹⁴ = 101021103817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101021120281) 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, 1231964840 + ... + 1231964921.

It is an arithmetic number, because the mean of its divisors is an integer number (25871262501).

Almost surely, 2^101021120201 is an apocalyptic number.

It is an amenable number.

101021120201 is a deficient number, since it is larger than the sum of its proper divisors (2463929803).

101021120201 is an equidigital number, since it uses as much as digits as its factorization.

101021120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463929802.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101021120201 its reverse (102021120101), we get a palindrome (203042240302).

The spelling of 101021120201 in words is "one hundred one billion, twenty-one million, one hundred twenty thousand, two hundred one".