1020022022122 has 4 divisors (see below), whose sum is σ = 1530033033186. Its totient is φ = 510011011060.

The previous prime is 1020022022119. The next prime is 1020022022161. The reversal of 1020022022122 is 2212202200201.

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., 1017776304801 + 2245717321 = 1008849^2 + 47389^2 .

It is a super-2 number, since 2×1020022022122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020022022096 and 1020022022105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255005505529 + ... + 255005505532.

Almost surely, 2^{1020022022122} is an apocalyptic number.

1020022022122 is a deficient number, since it is larger than the sum of its proper divisors (510011011064).

1020022022122 is an equidigital number, since it uses as much as digits as its factorization.

1020022022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510011011063.

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

Adding to 1020022022122 its reverse (2212202200201), we get a palindrome (3232224222323).

The spelling of 1020022022122 in words is "one trillion, twenty billion, twenty-two million, twenty-two thousand, one hundred twenty-two".