1021111201122 has 16 divisors (see below), whose sum is σ = 2042284403712. Its totient is φ = 340360066800.

The previous prime is 1021111201091. The next prime is 1021111201177. The reversal of 1021111201122 is 2211021111201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2367913 + ... + 2765724.

It is an arithmetic number, because the mean of its divisors is an integer number (127642775232).

Almost surely, 2^{1021111201122} is an apocalyptic number.

1021111201122 is an abundant number, since it is smaller than the sum of its proper divisors (1021173202590).

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

1021111201122 is a wasteful number, since it uses less digits than its factorization.

1021111201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166793.

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

Adding to 1021111201122 its reverse (2211021111201), we get a palindrome (3232132312323).

The spelling of 1021111201122 in words is "one trillion, twenty-one billion, one hundred eleven million, two hundred one thousand, one hundred twenty-two".