10011111212122 has 16 divisors (see below), whose sum is σ = 15088547692512. Its totient is φ = 4981597553520.

The previous prime is 10011111212101. The next prime is 10011111212143. The reversal of 10011111212122 is 22121211111001.

It is an interprime number because it is at equal distance from previous prime (10011111212101) and next prime (10011111212143).

It is a junction number, because it is equal to n+sod(n) for n = 10011111212096 and 10011111212105.

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, 8571873 + ... + 9669499.

It is an arithmetic number, because the mean of its divisors is an integer number (943034230782).

Almost surely, 2^{10011111212122} is an apocalyptic number.

10011111212122 is a deficient number, since it is larger than the sum of its proper divisors (5077436480390).

10011111212122 is a wasteful number, since it uses less digits than its factorization.

10011111212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119453.

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

Adding to 10011111212122 its reverse (22121211111001), we get a palindrome (32132322323123).

The spelling of 10011111212122 in words is "ten trillion, eleven billion, one hundred eleven million, two hundred twelve thousand, one hundred twenty-two".