1021222012110 has 16 divisors (see below), whose sum is σ = 2450932829136. Its totient is φ = 272325869888.

The previous prime is 1021222012093. The next prime is 1021222012163. The reversal of 1021222012110 is 112102221201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1021222012110.

It is a congruent 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, 17020366839 + ... + 17020366898.

It is an arithmetic number, because the mean of its divisors is an integer number (153183301821).

Almost surely, 2^{1021222012110} is an apocalyptic number.

1021222012110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021222012110 is an abundant number, since it is smaller than the sum of its proper divisors (1429710817026).

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

1021222012110 is a wasteful number, since it uses less digits than its factorization.

1021222012110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34040733747.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1021222012110 its reverse (112102221201), we get a palindrome (1133324233311).

The spelling of 1021222012110 in words is "one trillion, twenty-one billion, two hundred twenty-two million, twelve thousand, one hundred ten".