1111211102122 has 64 divisors (see below), whose sum is σ = 1885528719360. Its totient is φ = 486757252800.

The previous prime is 1111211102063. The next prime is 1111211102123. The reversal of 1111211102122 is 2212011121111.

It is a super-2 number, since 2×1111211102122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111211102096 and 1111211102105.

It is not an unprimeable number, because it can be changed into a prime (1111211102123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124278172 + ... + 124287112.

It is an arithmetic number, because the mean of its divisors is an integer number (29461386240).

Almost surely, 2^{1111211102122} is an apocalyptic number.

1111211102122 is a deficient number, since it is larger than the sum of its proper divisors (774317617238).

1111211102122 is a wasteful number, since it uses less digits than its factorization.

1111211102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10739.

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

Adding to 1111211102122 its reverse (2212011121111), we get a palindrome (3323222223233).

The spelling of 1111211102122 in words is "one trillion, one hundred eleven billion, two hundred eleven million, one hundred two thousand, one hundred twenty-two".