20103222122 has 4 divisors (see below), whose sum is σ = 30154833186. Its totient is φ = 10051611060.

The previous prime is 20103222107. The next prime is 20103222127. The reversal of 20103222122 is 22122230102.

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., 18484849681 + 1618372441 = 135959^2 + 40229^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20103222122.

It is not an unprimeable number, because it can be changed into a prime (20103222127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025805529 + ... + 5025805532.

Almost surely, 2^20103222122 is an apocalyptic number.

20103222122 is a deficient number, since it is larger than the sum of its proper divisors (10051611064).

20103222122 is a wasteful number, since it uses less digits than its factorization.

20103222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10051611063.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20103222122 its reverse (22122230102), we get a palindrome (42225452224).

The spelling of 20103222122 in words is "twenty billion, one hundred three million, two hundred twenty-two thousand, one hundred twenty-two".