210021201021022 has 4 divisors (see below), whose sum is σ = 315031801531536. Its totient is φ = 105010600510510.

The previous prime is 210021201021011. The next prime is 210021201021061. The reversal of 210021201021022 is 220120102120012.

It is a happy number.

210021201021022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 210021201020987 and 210021201021005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52505300255254 + ... + 52505300255257.

It is an arithmetic number, because the mean of its divisors is an integer number (78757950382884).

Almost surely, 2^{210021201021022} is an apocalyptic number.

210021201021022 is a deficient number, since it is larger than the sum of its proper divisors (105010600510514).

210021201021022 is a wasteful number, since it uses less digits than its factorization.

210021201021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105010600510513.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210021201021022 its reverse (220120102120012), we get a palindrome (430141303141034).

The spelling of 210021201021022 in words is "two hundred ten trillion, twenty-one billion, two hundred one million, twenty-one thousand, twenty-two".