20111010121222 has 16 divisors (see below), whose sum is σ = 31941438162912. Its totient is φ = 9463879699840.

The previous prime is 20111010121217. The next prime is 20111010121231. The reversal of 20111010121222 is 22212101011102.

It is a junction number, because it is equal to n+sod(n) for n = 20111010121196 and 20111010121205.

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, 1271698 + ... + 6468325.

It is an arithmetic number, because the mean of its divisors is an integer number (1996339885182).

Almost surely, 2^{20111010121222} is an apocalyptic number.

20111010121222 is a deficient number, since it is larger than the sum of its proper divisors (11830428041690).

20111010121222 is a wasteful number, since it uses less digits than its factorization.

20111010121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7816463.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20111010121222 its reverse (22212101011102), we get a palindrome (42323111132324).

The spelling of 20111010121222 in words is "twenty trillion, one hundred eleven billion, ten million, one hundred twenty-one thousand, two hundred twenty-two".