221011202012001 has 8 divisors (see below), whose sum is σ = 294681691789440. Its totient is φ = 147340756787952.

The previous prime is 221011202011939. The next prime is 221011202012009. The reversal of 221011202012001 is 100210202110122.

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

It is not a de Polignac number, because 221011202012001 - 2⁹ = 221011202011489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221011202012009) 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 7 ways as a sum of consecutive naturals, for example, 3000216 + ... + 21237318.

It is an arithmetic number, because the mean of its divisors is an integer number (36835211473680).

Almost surely, 2^{221011202012001} is an apocalyptic number.

It is an amenable number.

221011202012001 is a deficient number, since it is larger than the sum of its proper divisors (73670489777439).

221011202012001 is a wasteful number, since it uses less digits than its factorization.

221011202012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22276695.

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

Adding to 221011202012001 its reverse (100210202110122), we get a palindrome (321221404122123).

The spelling of 221011202012001 in words is "two hundred twenty-one trillion, eleven billion, two hundred two million, twelve thousand, one".