101020120221201 has 4 divisors (see below), whose sum is σ = 134693493628272. Its totient is φ = 67346746814132.

The previous prime is 101020120221131. The next prime is 101020120221239. The reversal of 101020120221201 is 102122021020101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101020120221201 - 2¹⁹ = 101020119696913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101020120221001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16836686703531 + ... + 16836686703536.

It is an arithmetic number, because the mean of its divisors is an integer number (33673373407068).

Almost surely, 2^{101020120221201} is an apocalyptic number.

It is an amenable number.

101020120221201 is a deficient number, since it is larger than the sum of its proper divisors (33673373407071).

101020120221201 is an equidigital number, since it uses as much as digits as its factorization.

101020120221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33673373407070.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101020120221201 its reverse (102122021020101), we get a palindrome (203142141241302).

The spelling of 101020120221201 in words is "one hundred one trillion, twenty billion, one hundred twenty million, two hundred twenty-one thousand, two hundred one".