10221120122 has 8 divisors (see below), whose sum is σ = 15860358900. Its totient is φ = 4934333824.

The previous prime is 10221120079. The next prime is 10221120163. The reversal of 10221120122 is 22102112201.

It can be written as a sum of positive squares in 2 ways, for example, as 10104069361 + 117050761 = 100519^2 + 10819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 10221120097 and 10221120106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88113047 + ... + 88113162.

Almost surely, 2^10221120122 is an apocalyptic number.

10221120122 is a deficient number, since it is larger than the sum of its proper divisors (5639238778).

10221120122 is a wasteful number, since it uses less digits than its factorization.

10221120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176226240.

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

Adding to 10221120122 its reverse (22102112201), we get a palindrome (32323232323).

The spelling of 10221120122 in words is "ten billion, two hundred twenty-one million, one hundred twenty thousand, one hundred twenty-two".