1020111121122 has 8 divisors (see below), whose sum is σ = 2040222242256. Its totient is φ = 340037040372.

The previous prime is 1020111121069. The next prime is 1020111121147. The reversal of 1020111121122 is 2211211110201.

It is a happy number.

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

1020111121122 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, 85009260088 + ... + 85009260099.

It is an arithmetic number, because the mean of its divisors is an integer number (255027780282).

Almost surely, 2^{1020111121122} is an apocalyptic number.

1020111121122 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.

1020111121122 is a wasteful number, since it uses less digits than its factorization.

1020111121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170018520192.

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

Adding to 1020111121122 its reverse (2211211110201), we get a palindrome (3231322231323).

The spelling of 1020111121122 in words is "one trillion, twenty billion, one hundred eleven million, one hundred twenty-one thousand, one hundred twenty-two".