210120001022 has 4 divisors (see below), whose sum is σ = 315180001536. Its totient is φ = 105060000510.

The previous prime is 210120000997. The next prime is 210120001057. The reversal of 210120001022 is 220100021012.

It is a happy number.

210120001022 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 = 210120000994 and 210120001012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52530000254 + ... + 52530000257.

It is an arithmetic number, because the mean of its divisors is an integer number (78795000384).

Almost surely, 2^210120001022 is an apocalyptic number.

210120001022 is a deficient number, since it is larger than the sum of its proper divisors (105060000514).

210120001022 is a wasteful number, since it uses less digits than its factorization.

210120001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105060000513.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210120001022 its reverse (220100021012), we get a palindrome (430220022034).

The spelling of 210120001022 in words is "two hundred ten billion, one hundred twenty million, one thousand, twenty-two".