202021010212101 has 4 divisors (see below), whose sum is σ = 269361346949472. Its totient is φ = 134680673474732.

The previous prime is 202021010212069. The next prime is 202021010212157. The reversal of 202021010212101 is 101212010120202.

202021010212101 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 202021010212101 - 2⁵ = 202021010212069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202021010217101) 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, 33670168368681 + ... + 33670168368686.

It is an arithmetic number, because the mean of its divisors is an integer number (67340336737368).

Almost surely, 2^{202021010212101} is an apocalyptic number.

It is an amenable number.

202021010212101 is a deficient number, since it is larger than the sum of its proper divisors (67340336737371).

202021010212101 is an equidigital number, since it uses as much as digits as its factorization.

202021010212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67340336737370.

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

Adding to 202021010212101 its reverse (101212010120202), we get a palindrome (303233020332303).

The spelling of 202021010212101 in words is "two hundred two trillion, twenty-one billion, ten million, two hundred twelve thousand, one hundred one".