11211102122 has 16 divisors (see below), whose sum is σ = 18347079744. Its totient is φ = 5095500000.

The previous prime is 11211102121. The next prime is 11211102127. The reversal of 11211102122 is 22120111211.

It is a junction number, because it is equal to n+sod(n) for n = 11211102097 and 11211102106.

It is not an unprimeable number, because it can be changed into a prime (11211102121) 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, 421622 + ... + 447422.

It is an arithmetic number, because the mean of its divisors is an integer number (1146692484).

Almost surely, 2^11211102122 is an apocalyptic number.

11211102122 is a deficient number, since it is larger than the sum of its proper divisors (7135977622).

11211102122 is a wasteful number, since it uses less digits than its factorization.

11211102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45565.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11211102122 its reverse (22120111211), we get a palindrome (33331213333).

The spelling of 11211102122 in words is "eleven billion, two hundred eleven million, one hundred two thousand, one hundred twenty-two".