10112221212111 has 12 divisors (see below), whose sum is σ = 15001313149992. Its totient is φ = 6559278623856.

The previous prime is 10112221212077. The next prime is 10112221212143. The reversal of 10112221212111 is 11121212221101.

It is a happy number.

10112221212111 is a `hidden beast` number, since 10 + 112 + 221 + 212 + 111 = 666.

It is not a de Polignac number, because 10112221212111 - 2¹⁵ = 10112221179343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112221212151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15183515001 + ... + 15183515666.

It is an arithmetic number, because the mean of its divisors is an integer number (1250109429166).

Almost surely, 2^{10112221212111} is an apocalyptic number.

10112221212111 is a deficient number, since it is larger than the sum of its proper divisors (4889091937881).

10112221212111 is a wasteful number, since it uses less digits than its factorization.

10112221212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30367030710 (or 30367030707 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 10112221212111 its reverse (11121212221101), we get a palindrome (21233433433212).

The spelling of 10112221212111 in words is "ten trillion, one hundred twelve billion, two hundred twenty-one million, two hundred twelve thousand, one hundred eleven".