1010020010122 has 4 divisors (see below), whose sum is σ = 1515030015186. Its totient is φ = 505010005060.

The previous prime is 1010020010099. The next prime is 1010020010147. The reversal of 1010020010122 is 2210100200101.

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., 678265897761 + 331754112361 = 823569^2 + 575981^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1010020010099 and 1010020010108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252505002529 + ... + 252505002532.

Almost surely, 2^{1010020010122} is an apocalyptic number.

1010020010122 is a deficient number, since it is larger than the sum of its proper divisors (505010005064).

1010020010122 is an equidigital number, since it uses as much as digits as its factorization.

1010020010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505010005063.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1010020010122 its reverse (2210100200101), we get a palindrome (3220120210223).

It can be divided in two parts, 10100200101 and 22, that multiplied together give a palindrome (222204402222).

The spelling of 1010020010122 in words is "one trillion, ten billion, twenty million, ten thousand, one hundred twenty-two".