201111021122 has 16 divisors (see below), whose sum is σ = 348449042592. Its totient is φ = 86036800320.

The previous prime is 201111021109. The next prime is 201111021149. The reversal of 201111021122 is 221120111102.

It is a junction number, because it is equal to n+sod(n) for n = 201111021097 and 201111021106.

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, 268864628 + ... + 268865375.

It is an arithmetic number, because the mean of its divisors is an integer number (21778065162).

Almost surely, 2^201111021122 is an apocalyptic number.

201111021122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201111021122 is a deficient number, since it is larger than the sum of its proper divisors (147338021470).

201111021122 is a wasteful number, since it uses less digits than its factorization.

201111021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537730033.

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

Adding to 201111021122 its reverse (221120111102), we get a palindrome (422231132224).

The spelling of 201111021122 in words is "two hundred one billion, one hundred eleven million, twenty-one thousand, one hundred twenty-two".