210001102121222 has 4 divisors (see below), whose sum is σ = 315001653181836. Its totient is φ = 105000551060610.

The previous prime is 210001102121191. The next prime is 210001102121263. The reversal of 210001102121222 is 222121201100012.

210001102121222 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 super-2 number, since 2×210001102121222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210001102121222.

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, 52500275530304 + ... + 52500275530307.

It is an arithmetic number, because the mean of its divisors is an integer number (78750413295459).

Almost surely, 2^{210001102121222} is an apocalyptic number.

210001102121222 is a deficient number, since it is larger than the sum of its proper divisors (105000551060614).

210001102121222 is a wasteful number, since it uses less digits than its factorization.

210001102121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105000551060613.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210001102121222 its reverse (222121201100012), we get a palindrome (432122303221234).

The spelling of 210001102121222 in words is "two hundred ten trillion, one billion, one hundred two million, one hundred twenty-one thousand, two hundred twenty-two".