220102022122 has 4 divisors (see below), whose sum is σ = 330153033186. Its totient is φ = 110051011060.

The previous prime is 220102022117. The next prime is 220102022143. The reversal of 220102022122 is 221220201022.

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., 167623917561 + 52478104561 = 409419^2 + 229081^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220102022096 and 220102022105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55025505529 + ... + 55025505532.

Almost surely, 2^220102022122 is an apocalyptic number.

220102022122 is a deficient number, since it is larger than the sum of its proper divisors (110051011064).

220102022122 is a wasteful number, since it uses less digits than its factorization.

220102022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110051011063.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220102022122 its reverse (221220201022), we get a palindrome (441322223144).

The spelling of 220102022122 in words is "two hundred twenty billion, one hundred two million, twenty-two thousand, one hundred twenty-two".