10211210210122 has 4 divisors (see below), whose sum is σ = 15316815315186. Its totient is φ = 5105605105060.

The previous prime is 10211210210081. The next prime is 10211210210147. The reversal of 10211210210122 is 22101201211201.

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

It can be written as a sum of positive squares in only one way, i.e., 5941742629761 + 4269467580361 = 2437569^2 + 2066269^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10211210210096 and 10211210210105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552802552529 + ... + 2552802552532.

Almost surely, 2^{10211210210122} is an apocalyptic number.

10211210210122 is a deficient number, since it is larger than the sum of its proper divisors (5105605105064).

10211210210122 is an equidigital number, since it uses as much as digits as its factorization.

10211210210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5105605105063.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10211210210122 its reverse (22101201211201), we get a palindrome (32312411421323).

The spelling of 10211210210122 in words is "ten trillion, two hundred eleven billion, two hundred ten million, two hundred ten thousand, one hundred twenty-two".