201202021112101 has 4 divisors (see below), whose sum is σ = 201202098011872. Its totient is φ = 201201944212332.

The previous prime is 201202021112077. The next prime is 201202021112111. The reversal of 201202021112101 is 101211120202102.

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 201202021112101 - 2²³ = 201202012723493 is a prime.

It is a super-3 number, since 3×201202021112101³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201202021112111) 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, 34381785 + ... + 39805918.

It is an arithmetic number, because the mean of its divisors is an integer number (50300524502968).

Almost surely, 2^{201202021112101} is an apocalyptic number.

It is an amenable number.

201202021112101 is a deficient number, since it is larger than the sum of its proper divisors (76899771).

201202021112101 is an equidigital number, since it uses as much as digits as its factorization.

201202021112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76899770.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201202021112101 its reverse (101211120202102), we get a palindrome (302413141314203).

Subtracting from 201202021112101 its reverse (101211120202102), we obtain a palindrome (99990900909999).

The spelling of 201202021112101 in words is "two hundred one trillion, two hundred two billion, twenty-one million, one hundred twelve thousand, one hundred one".