1021111000122 has 8 divisors (see below), whose sum is σ = 2042222000256. Its totient is φ = 340370333372.

The previous prime is 1021111000111. The next prime is 1021111000171. The reversal of 1021111000122 is 2210001111201.

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

1021111000122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1021111000098 and 1021111000107.

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, 85092583338 + ... + 85092583349.

It is an arithmetic number, because the mean of its divisors is an integer number (255277750032).

Almost surely, 2^{1021111000122} is an apocalyptic number.

1021111000122 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.

1021111000122 is a wasteful number, since it uses less digits than its factorization.

1021111000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170185166692.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1021111000122 its reverse (2210001111201), we get a palindrome (3231112111323).

The spelling of 1021111000122 in words is "one trillion, twenty-one billion, one hundred eleven million, one hundred twenty-two", and thus it is an aban number.