10212102121222 has 4 divisors (see below), whose sum is σ = 15318153181836. Its totient is φ = 5106051060610.

The previous prime is 10212102121189. The next prime is 10212102121241. The reversal of 10212102121222 is 22212120121201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10212102121222.

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, 2553025530304 + ... + 2553025530307.

It is an arithmetic number, because the mean of its divisors is an integer number (3829538295459).

Almost surely, 2^{10212102121222} is an apocalyptic number.

10212102121222 is a deficient number, since it is larger than the sum of its proper divisors (5106051060614).

10212102121222 is an equidigital number, since it uses as much as digits as its factorization.

10212102121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106051060613.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10212102121222 its reverse (22212120121201), we get a palindrome (32424222242423).

The spelling of 10212102121222 in words is "ten trillion, two hundred twelve billion, one hundred two million, one hundred twenty-one thousand, two hundred twenty-two".