1020011122 has 8 divisors (see below), whose sum is σ = 1647710316. Its totient is φ = 470774352.

The previous prime is 1020011093. The next prime is 1020011123. The reversal of 1020011122 is 2211100201.

It can be written as a sum of positive squares in 2 ways, for example, as 975375361 + 44635761 = 31231^2 + 6681^2 .

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 = 1020011099 and 1020011108.

It is not an unprimeable number, because it can be changed into a prime (1020011123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19615573 + ... + 19615624.

Almost surely, 2^1020011122 is an apocalyptic number.

1020011122 is a deficient number, since it is larger than the sum of its proper divisors (627699194).

1020011122 is a wasteful number, since it uses less digits than its factorization.

1020011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39231212.

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

The square root of 1020011122 is about 31937.6129665321. The cubic root of 1020011122 is about 1006.6263682585.

Adding to 1020011122 its reverse (2211100201), we get a palindrome (3231111323).

The spelling of 1020011122 in words is "one billion, twenty million, eleven thousand, one hundred twenty-two".