2100111022 has 4 divisors (see below), whose sum is σ = 3150166536. Its totient is φ = 1050055510.

The previous prime is 2100111007. The next prime is 2100111043. The reversal of 2100111022 is 2201110012.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525027754 + ... + 525027757.

It is an arithmetic number, because the mean of its divisors is an integer number (787541634).

Almost surely, 2^2100111022 is an apocalyptic number.

2100111022 is a deficient number, since it is larger than the sum of its proper divisors (1050055514).

2100111022 is a wasteful number, since it uses less digits than its factorization.

2100111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050055513.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2100111022 is about 45826.9682828790. The cubic root of 2100111022 is about 1280.6017316470.

Adding to 2100111022 its reverse (2201110012), we get a palindrome (4301221034).

It can be divided in two parts, 21001 and 11022, that added together give a palindrome (32023).

The spelling of 2100111022 in words is "two billion, one hundred million, one hundred eleven thousand, twenty-two".