1021011122 has 8 divisors (see below), whose sum is σ = 1531970076. Its totient is φ = 510354432.

The previous prime is 1021011097. The next prime is 1021011157. The reversal of 1021011122 is 2211101201.

It can be written as a sum of positive squares in 2 ways, for example, as 882030601 + 138980521 = 29699^2 + 11789^2 .

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

It is a super-2 number, since 2×1021011122² = 2084927422495397768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66923 + ... + 80750.

Almost surely, 2^1021011122 is an apocalyptic number.

1021011122 is a deficient number, since it is larger than the sum of its proper divisors (510958954).

1021011122 is a wasteful number, since it uses less digits than its factorization.

1021011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151132.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1021011122 is about 31953.2646532401. The cubic root of 1021011122 is about 1006.9552200937.

Adding to 1021011122 its reverse (2211101201), we get a palindrome (3232112323).

The spelling of 1021011122 in words is "one billion, twenty-one million, eleven thousand, one hundred twenty-two".