10201221122 has 4 divisors (see below), whose sum is σ = 15301831686. Its totient is φ = 5100610560.

The previous prime is 10201221097. The next prime is 10201221203. The reversal of 10201221122 is 22112210201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22112210201 = 5351 ⋅4132351.

It can be written as a sum of positive squares in only one way, i.e., 9023290081 + 1177931041 = 94991^2 + 34321^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10201221097 and 10201221106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550305279 + ... + 2550305282.

Almost surely, 2^10201221122 is an apocalyptic number.

10201221122 is a deficient number, since it is larger than the sum of its proper divisors (5100610564).

10201221122 is an equidigital number, since it uses as much as digits as its factorization.

10201221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100610563.

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

Adding to 10201221122 its reverse (22112210201), we get a palindrome (32313431323).

It can be divided in two parts, 10201 and 221122, that multiplied together give a palindrome (2255665522).

The spelling of 10201221122 in words is "ten billion, two hundred one million, two hundred twenty-one thousand, one hundred twenty-two".