201101223133021 has 4 divisors (see below), whose sum is σ = 201176739929952. Its totient is φ = 201025706336092.

The previous prime is 201101223132923. The next prime is 201101223133037. The reversal of 201101223133021 is 120331322101102.

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 a de Polignac number, because none of the positive numbers 2^k-201101223133021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201101223132983 and 201101223133001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101223193021) 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, 37758394471 + ... + 37758399796.

It is an arithmetic number, because the mean of its divisors is an integer number (50294184982488).

Almost surely, 2^{201101223133021} is an apocalyptic number.

It is an amenable number.

201101223133021 is a deficient number, since it is larger than the sum of its proper divisors (75516796931).

201101223133021 is an equidigital number, since it uses as much as digits as its factorization.

201101223133021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75516796930.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 201101223133021 its reverse (120331322101102), we get a palindrome (321432545234123).

The spelling of 201101223133021 in words is "two hundred one trillion, one hundred one billion, two hundred twenty-three million, one hundred thirty-three thousand, twenty-one".