20101100201222 has 32 divisors (see below), whose sum is σ = 31881273907392. Its totient is φ = 9486227165184.

The previous prime is 20101100201213. The next prime is 20101100201233. The reversal of 20101100201222 is 22210200110102.

It is a junction number, because it is equal to n+sod(n) for n = 20101100201197 and 20101100201206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5180213 + ... + 8187600.

It is an arithmetic number, because the mean of its divisors is an integer number (996289809606).

Almost surely, 2^{20101100201222} is an apocalyptic number.

20101100201222 is a deficient number, since it is larger than the sum of its proper divisors (11780173706170).

20101100201222 is a wasteful number, since it uses less digits than its factorization.

20101100201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13368272.

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

Adding to 20101100201222 its reverse (22210200110102), we get a palindrome (42311300311324).

The spelling of 20101100201222 in words is "twenty trillion, one hundred one billion, one hundred million, two hundred one thousand, two hundred twenty-two".