1021011122122 has 8 divisors (see below), whose sum is σ = 1531545587172. Its totient is φ = 510495926400.

The previous prime is 1021011122083. The next prime is 1021011122149. The reversal of 1021011122122 is 2212211101201.

It can be written as a sum of positive squares in 2 ways, for example, as 921294745281 + 99716376841 = 959841^2 + 315779^2 .

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

It is a super-2 number, since 2×1021011122122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021011122096 and 1021011122105.

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, 4684129 + ... + 4897252.

Almost surely, 2^{1021011122122} is an apocalyptic number.

1021011122122 is a deficient number, since it is larger than the sum of its proper divisors (510534465050).

1021011122122 is an equidigital number, since it uses as much as digits as its factorization.

1021011122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9634664.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1021011122122 its reverse (2212211101201), we get a palindrome (3233222223323).

The spelling of 1021011122122 in words is "one trillion, twenty-one billion, eleven million, one hundred twenty-two thousand, one hundred twenty-two".