202201110220021 has 8 divisors (see below), whose sum is σ = 220583312193024. Its totient is φ = 183818955390720.

The previous prime is 202201110219973. The next prime is 202201110220027. The reversal of 202201110220021 is 120022011102202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202201110220021 - 2⁹ = 202201110219509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202201110219977 and 202201110220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202201110220027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2499820 + ... + 20264533.

It is an arithmetic number, because the mean of its divisors is an integer number (27572914024128).

Almost surely, 2^{202201110220021} is an apocalyptic number.

It is an amenable number.

202201110220021 is a deficient number, since it is larger than the sum of its proper divisors (18382201973003).

202201110220021 is a wasteful number, since it uses less digits than its factorization.

202201110220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23571851.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202201110220021 its reverse (120022011102202), we get a palindrome (322223121322223).

The spelling of 202201110220021 in words is "two hundred two trillion, two hundred one billion, one hundred ten million, two hundred twenty thousand, twenty-one".