210001121200022 has 4 divisors (see below), whose sum is σ = 315001681800036. Its totient is φ = 105000560600010.

The previous prime is 210001121200009. The next prime is 210001121200043. The reversal of 210001121200022 is 220002121100012.

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

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, 52500280300004 + ... + 52500280300007.

It is an arithmetic number, because the mean of its divisors is an integer number (78750420450009).

Almost surely, 2^{210001121200022} is an apocalyptic number.

210001121200022 is a deficient number, since it is larger than the sum of its proper divisors (105000560600014).

210001121200022 is a wasteful number, since it uses less digits than its factorization.

210001121200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105000560600013.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210001121200022 its reverse (220002121100012), we get a palindrome (430003242300034).

The spelling of 210001121200022 in words is "two hundred ten trillion, one billion, one hundred twenty-one million, two hundred thousand, twenty-two".