20101121021222 has 8 divisors (see below), whose sum is σ = 30170923196736. Its totient is φ = 10044146622312.

The previous prime is 20101121021171. The next prime is 20101121021269. The reversal of 20101121021222 is 22212012110102.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20101121021222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3206940233 + ... + 3206946500.

It is an arithmetic number, because the mean of its divisors is an integer number (3771365399592).

Almost surely, 2^{20101121021222} is an apocalyptic number.

20101121021222 is a deficient number, since it is larger than the sum of its proper divisors (10069802175514).

20101121021222 is a wasteful number, since it uses less digits than its factorization.

20101121021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413888302.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20101121021222 its reverse (22212012110102), we get a palindrome (42313133131324).

The spelling of 20101121021222 in words is "twenty trillion, one hundred one billion, one hundred twenty-one million, twenty-one thousand, two hundred twenty-two".