20101000121222 has 8 divisors (see below), whose sum is σ = 30155149184016. Its totient is φ = 10049283726552.

The previous prime is 20101000121197. The next prime is 20101000121273. The reversal of 20101000121222 is 22212100010102.

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 = 20101000121197 and 20101000121206.

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, 608146373 + ... + 608179424.

It is an arithmetic number, because the mean of its divisors is an integer number (3769393648002).

Almost surely, 2^{20101000121222} is an apocalyptic number.

20101000121222 is a deficient number, since it is larger than the sum of its proper divisors (10054149062794).

20101000121222 is a wasteful number, since it uses less digits than its factorization.

20101000121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216334062.

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

Adding to 20101000121222 its reverse (22212100010102), we get a palindrome (42313100131324).

The spelling of 20101000121222 in words is "twenty trillion, one hundred one billion, one hundred twenty-one thousand, two hundred twenty-two".