10122222211111 has 8 divisors (see below), whose sum is σ = 10133736336000. Its totient is φ = 10110714096888.

The previous prime is 10122222211097. The next prime is 10122222211121. The reversal of 10122222211111 is 11111222222101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10122222211111 - 2¹³ = 10122222202919 is a prime.

It is a super-2 number, since 2×10122222211111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122222211121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1871640 + ... + 4873138.

It is an arithmetic number, because the mean of its divisors is an integer number (1266717042000).

Almost surely, 2^{10122222211111} is an apocalyptic number.

10122222211111 is a deficient number, since it is larger than the sum of its proper divisors (11514124889).

10122222211111 is a wasteful number, since it uses less digits than its factorization.

10122222211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005333.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 10122222211111 its reverse (11111222222101), we get a palindrome (21233444433212).

The spelling of 10122222211111 in words is "ten trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred eleven thousand, one hundred eleven".