210021101022211 has 8 divisors (see below), whose sum is σ = 219152627122464. Its totient is φ = 200889589412160.

The previous prime is 210021101022107. The next prime is 210021101022251. The reversal of 210021101022211 is 112220101120012.

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 210021101022211 - 2²³ = 210021092633603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210021101022251) 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, 34557465 + ... + 40177861.

It is an arithmetic number, because the mean of its divisors is an integer number (27394078390308).

Almost surely, 2^{210021101022211} is an apocalyptic number.

210021101022211 is a deficient number, since it is larger than the sum of its proper divisors (9131526100253).

210021101022211 is a wasteful number, since it uses less digits than its factorization.

210021101022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7245101.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210021101022211 its reverse (112220101120012), we get a palindrome (322241202142223).

The spelling of 210021101022211 in words is "two hundred ten trillion, twenty-one billion, one hundred one million, twenty-two thousand, two hundred eleven".