1021111111022 has 8 divisors (see below), whose sum is σ = 1532623365072. Its totient is φ = 510236656000.

The previous prime is 1021111111001. The next prime is 1021111111099. The reversal of 1021111111022 is 2201111111201.

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

It is a junction number, because it is equal to n+sod(n) for n = 1021111110988 and 1021111111006.

It is a congruent 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, 159445754 + ... + 159452157.

It is an arithmetic number, because the mean of its divisors is an integer number (191577920634).

Almost surely, 2^{1021111111022} is an apocalyptic number.

1021111111022 is a deficient number, since it is larger than the sum of its proper divisors (511512254050).

1021111111022 is a wasteful number, since it uses less digits than its factorization.

1021111111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318899514.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1021111111022 its reverse (2201111111201), we get a palindrome (3222222222223).

The spelling of 1021111111022 in words is "one trillion, twenty-one billion, one hundred eleven million, one hundred eleven thousand, twenty-two".