202120101021201 has 32 divisors (see below), whose sum is σ = 294515093283840. Its totient is φ = 122279450366400.

The previous prime is 202120101021191. The next prime is 202120101021221. The reversal of 202120101021201 is 102120101021202.

It is not a de Polignac number, because 202120101021201 - 2⁹ = 202120101020689 is a prime.

It is a super-3 number, since 3×202120101021201³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (202120101021221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 925251676 + ... + 925470098.

It is an arithmetic number, because the mean of its divisors is an integer number (9203596665120).

Almost surely, 2^{202120101021201} is an apocalyptic number.

It is an amenable number.

202120101021201 is a deficient number, since it is larger than the sum of its proper divisors (92394992262639).

202120101021201 is a wasteful number, since it uses less digits than its factorization.

202120101021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268117.

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

Adding to 202120101021201 its reverse (102120101021202), we get a palindrome (304240202042403).

Subtracting from 202120101021201 its reverse (102120101021202), we obtain a palindrome (99999999999999).

The spelling of 202120101021201 in words is "two hundred two trillion, one hundred twenty billion, one hundred one million, twenty-one thousand, two hundred one".