210022212021 has 8 divisors (see below), whose sum is σ = 280185108864. Its totient is φ = 139937061600.

The previous prime is 210022211999. The next prime is 210022212079. The reversal of 210022212021 is 120212220012.

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

It is not a de Polignac number, because 210022212021 - 2⁶ = 210022211957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022212721) 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, 19430301 + ... + 19441106.

It is an arithmetic number, because the mean of its divisors is an integer number (35023138608).

Almost surely, 2^210022212021 is an apocalyptic number.

It is an amenable number.

210022212021 is a deficient number, since it is larger than the sum of its proper divisors (70162896843).

210022212021 is a wasteful number, since it uses less digits than its factorization.

210022212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38873211.

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

Adding to 210022212021 its reverse (120212220012), we get a palindrome (330234432033).

The spelling of 210022212021 in words is "two hundred ten billion, twenty-two million, two hundred twelve thousand, twenty-one".