1011121021122 has 8 divisors (see below), whose sum is σ = 2022242042256. Its totient is φ = 337040340372.

The previous prime is 1011121021109. The next prime is 1011121021151. The reversal of 1011121021122 is 2211201211101.

It is a happy number.

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

1011121021122 is an admirable number.

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, 84260085088 + ... + 84260085099.

It is an arithmetic number, because the mean of its divisors is an integer number (252780255282).

Almost surely, 2^{1011121021122} is an apocalyptic number.

1011121021122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011121021122 is a wasteful number, since it uses less digits than its factorization.

1011121021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168520170192.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1011121021122 its reverse (2211201211101), we get a palindrome (3222322232223).

The spelling of 1011121021122 in words is "one trillion, eleven billion, one hundred twenty-one million, twenty-one thousand, one hundred twenty-two".