221010220002021 has 8 divisors (see below), whose sum is σ = 301867617563904. Its totient is φ = 143746484554080.

The previous prime is 221010220002017. The next prime is 221010220002053. The reversal of 221010220002021 is 120200022010122.

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

It is not a de Polignac number, because 221010220002021 - 2² = 221010220002017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221010220002071) 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, 898415528341 + ... + 898415528586.

It is an arithmetic number, because the mean of its divisors is an integer number (37733452195488).

Almost surely, 2^{221010220002021} is an apocalyptic number.

It is an amenable number.

221010220002021 is a deficient number, since it is larger than the sum of its proper divisors (80857397561883).

221010220002021 is a wasteful number, since it uses less digits than its factorization.

221010220002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796831056971.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 221010220002021 its reverse (120200022010122), we get a palindrome (341210242012143).

The spelling of 221010220002021 in words is "two hundred twenty-one trillion, ten billion, two hundred twenty million, two thousand, twenty-one".