2111220011122 has 4 divisors (see below), whose sum is σ = 3166830016686. Its totient is φ = 1055610005560.

The previous prime is 2111220011119. The next prime is 2111220011171. The reversal of 2111220011122 is 2211100221112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2092937996601 + 18282014521 = 1446699^2 + 135211^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2111220011096 and 2111220011105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527805002779 + ... + 527805002782.

Almost surely, 2^{2111220011122} is an apocalyptic number.

2111220011122 is a deficient number, since it is larger than the sum of its proper divisors (1055610005564).

2111220011122 is a wasteful number, since it uses less digits than its factorization.

2111220011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055610005563.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2111220011122 its reverse (2211100221112), we get a palindrome (4322320232234).

The spelling of 2111220011122 in words is "two trillion, one hundred eleven billion, two hundred twenty million, eleven thousand, one hundred twenty-two".