20211010111222 has 16 divisors (see below), whose sum is σ = 34657230640032. Its totient is φ = 8659415292480.

The previous prime is 20211010111217. The next prime is 20211010111261. The reversal of 20211010111222 is 22211101011202.

It is a junction number, because it is equal to n+sod(n) for n = 20211010111196 and 20211010111205.

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, 203797303 + ... + 203896450.

It is an arithmetic number, because the mean of its divisors is an integer number (2166076915002).

Almost surely, 2^{20211010111222} is an apocalyptic number.

20211010111222 is a deficient number, since it is larger than the sum of its proper divisors (14446220528810).

20211010111222 is a wasteful number, since it uses less digits than its factorization.

20211010111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407697303.

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

Adding to 20211010111222 its reverse (22211101011202), we get a palindrome (42422111122424).

The spelling of 20211010111222 in words is "twenty trillion, two hundred eleven billion, ten million, one hundred eleven thousand, two hundred twenty-two".