1021222120010 has 16 divisors (see below), whose sum is σ = 1839106709856. Its totient is φ = 408287316048.

The previous prime is 1021222120007. The next prime is 1021222120031. The reversal of 1021222120010 is 100212221201.

It is a Curzon 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, 25170212 + ... + 25210751.

It is an arithmetic number, because the mean of its divisors is an integer number (114944169366).

Almost surely, 2^{1021222120010} is an apocalyptic number.

1021222120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021222120010 is a deficient number, since it is larger than the sum of its proper divisors (817884589846).

1021222120010 is a wasteful number, since it uses less digits than its factorization.

1021222120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50382997.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1021222120010 its reverse (100212221201), we get a palindrome (1121434341211).

The spelling of 1021222120010 in words is "one trillion, twenty-one billion, two hundred twenty-two million, one hundred twenty thousand, ten".