222010210020021 has 8 divisors (see below), whose sum is σ = 306220979338080. Its totient is φ = 142903123690992.

The previous prime is 222010210019977. The next prime is 222010210020037. The reversal of 222010210020021 is 120020012010222.

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

It is not a de Polignac number, because 222010210020021 - 2¹⁰ = 222010210018997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222010210028021) 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, 1275920747155 + ... + 1275920747328.

It is an arithmetic number, because the mean of its divisors is an integer number (38277622417260).

Almost surely, 2^{222010210020021} is an apocalyptic number.

It is an amenable number.

222010210020021 is a deficient number, since it is larger than the sum of its proper divisors (84210769318059).

222010210020021 is a wasteful number, since it uses less digits than its factorization.

222010210020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551841494515.

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

Adding to 222010210020021 its reverse (120020012010222), we get a palindrome (342030222030243).

The spelling of 222010210020021 in words is "two hundred twenty-two trillion, ten billion, two hundred ten million, twenty thousand, twenty-one".