1020010100122 has 8 divisors (see below), whose sum is σ = 1647708623316. Its totient is φ = 470773892352.

The previous prime is 1020010100119. The next prime is 1020010100167. The reversal of 1020010100122 is 2210010100201.

It can be written as a sum of positive squares in 2 ways, for example, as 996704719201 + 23305380921 = 998351^2 + 152661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1020010100099 and 1020010100108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19615578823 + ... + 19615578874.

Almost surely, 2^{1020010100122} is an apocalyptic number.

1020010100122 is a deficient number, since it is larger than the sum of its proper divisors (627698523194).

1020010100122 is a wasteful number, since it uses less digits than its factorization.

1020010100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39231157712.

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

Adding to 1020010100122 its reverse (2210010100201), we get a palindrome (3230020200323).

The spelling of 1020010100122 in words is "one trillion, twenty billion, ten million, one hundred thousand, one hundred twenty-two".