1021100111022 has 8 divisors (see below), whose sum is σ = 2042200222056. Its totient is φ = 340366703672.

The previous prime is 1021100110999. The next prime is 1021100111047. The reversal of 1021100111022 is 2201110011201.

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

1021100111022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1021100110989 and 1021100111007.

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, 85091675913 + ... + 85091675924.

It is an arithmetic number, because the mean of its divisors is an integer number (255275027757).

Almost surely, 2^{1021100111022} is an apocalyptic number.

1021100111022 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.

1021100111022 is a wasteful number, since it uses less digits than its factorization.

1021100111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170183351842.

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

Adding to 1021100111022 its reverse (2201110011201), we get a palindrome (3222210122223).

The spelling of 1021100111022 in words is "one trillion, twenty-one billion, one hundred million, one hundred eleven thousand, twenty-two".