10111220312222 has 16 divisors (see below), whose sum is σ = 15347206508544. Its totient is φ = 4995835395000.

The previous prime is 10111220312183. The next prime is 10111220312251. The reversal of 10111220312222 is 22221302211101.

10111220312222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10111220312194 and 10111220312203.

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, 87588554 + ... + 87703917.

It is an arithmetic number, because the mean of its divisors is an integer number (959200406784).

Almost surely, 2^{10111220312222} is an apocalyptic number.

10111220312222 is a deficient number, since it is larger than the sum of its proper divisors (5235986196322).

10111220312222 is a wasteful number, since it uses less digits than its factorization.

10111220312222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175292815.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 10111220312222 its reverse (22221302211101), we get a palindrome (32332522523323).

The spelling of 10111220312222 in words is "ten trillion, one hundred eleven billion, two hundred twenty million, three hundred twelve thousand, two hundred twenty-two".