101011021201 has 4 divisors (see below), whose sum is σ = 101404060452. Its totient is φ = 100617981952.

The previous prime is 101011021193. The next prime is 101011021219. The reversal of 101011021201 is 102120110101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102120110101 = 23 ⋅4440004787.

It can be written as a sum of positive squares in 2 ways, for example, as 76784410000 + 24226611201 = 277100^2 + 155649^2 .

It is a cyclic number.

It is not a de Polignac number, because 101011021201 - 2³ = 101011021193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101011021301) 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, 196519240 + ... + 196519753.

It is an arithmetic number, because the mean of its divisors is an integer number (25351015113).

Almost surely, 2^101011021201 is an apocalyptic number.

It is an amenable number.

101011021201 is a deficient number, since it is larger than the sum of its proper divisors (393039251).

101011021201 is an equidigital number, since it uses as much as digits as its factorization.

101011021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393039250.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101011021201 its reverse (102120110101), we get a palindrome (203131131302).

It can be divided in two parts, 10101 and 1021201, that multiplied together give a palindrome (10315151301).

The spelling of 101011021201 in words is "one hundred one billion, eleven million, twenty-one thousand, two hundred one".