10211122 has 4 divisors (see below), whose sum is σ = 15316686. Its totient is φ = 5105560.

The previous prime is 10211107. The next prime is 10211129. The reversal of 10211122 is 22111201.

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., 6255001 + 3956121 = 2501^2 + 1989^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10211099 and 10211108.

It is not an unprimeable number, because it can be changed into a prime (10211129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552779 + ... + 2552782.

Almost surely, 2^10211122 is an apocalyptic number.

10211122 is a deficient number, since it is larger than the sum of its proper divisors (5105564).

10211122 is an equidigital number, since it uses as much as digits as its factorization.

10211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105563.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 10211122 is about 3195.4846267820. The cubic root of 10211122 is about 216.9490844464.

Adding to 10211122 its reverse (22111201), we get a palindrome (32322323).

The spelling of 10211122 in words is "ten million, two hundred eleven thousand, one hundred twenty-two".