11111010012122 has 8 divisors (see below), whose sum is σ = 17543700019200. Its totient is φ = 5263110005724.

The previous prime is 11111010011963. The next prime is 11111010012127. The reversal of 11111010012122 is 22121001011111.

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

It is a junction number, because it is equal to n+sod(n) for n = 11111010012097 and 11111010012106.

It is not an unprimeable number, because it can be changed into a prime (11111010012127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146197500122 + ... + 146197500197.

It is an arithmetic number, because the mean of its divisors is an integer number (2192962502400).

Almost surely, 2^{11111010012122} is an apocalyptic number.

11111010012122 is a deficient number, since it is larger than the sum of its proper divisors (6432690007078).

11111010012122 is a wasteful number, since it uses less digits than its factorization.

11111010012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292395000340.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11111010012122 its reverse (22121001011111), we get a palindrome (33232011023233).

The spelling of 11111010012122 in words is "eleven trillion, one hundred eleven billion, ten million, twelve thousand, one hundred twenty-two".