210020002222021 has 8 divisors (see below), whose sum is σ = 211195872136800. Its totient is φ = 208844160905520.

The previous prime is 210020002221983. The next prime is 210020002222033. The reversal of 210020002222021 is 120222200020012.

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 210020002222021 - 2²⁷ = 210019868004293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210020002221986 and 210020002222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210020005222021) 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, 7664835 + ... + 21881263.

It is an arithmetic number, because the mean of its divisors is an integer number (26399484017100).

Almost surely, 2^{210020002222021} is an apocalyptic number.

It is an amenable number.

210020002222021 is a deficient number, since it is larger than the sum of its proper divisors (1175869914779).

210020002222021 is a wasteful number, since it uses less digits than its factorization.

210020002222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14299139.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 210020002222021 its reverse (120222200020012), we get a palindrome (330242202242033).

The spelling of 210020002222021 in words is "two hundred ten trillion, twenty billion, two million, two hundred twenty-two thousand, twenty-one".