2111102022122 has 4 divisors (see below), whose sum is σ = 3166653033186. Its totient is φ = 1055551011060.

The previous prime is 2111102022121. The next prime is 2111102022151. The reversal of 2111102022122 is 2212202011112.

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., 1113997922521 + 997104099601 = 1055461^2 + 998551^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2111102022122.

It is not an unprimeable number, because it can be changed into a prime (2111102022121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527775505529 + ... + 527775505532.

Almost surely, 2^{2111102022122} is an apocalyptic number.

2111102022122 is a deficient number, since it is larger than the sum of its proper divisors (1055551011064).

2111102022122 is a wasteful number, since it uses less digits than its factorization.

2111102022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055551011063.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2111102022122 its reverse (2212202011112), we get a palindrome (4323304033234).

The spelling of 2111102022122 in words is "two trillion, one hundred eleven billion, one hundred two million, twenty-two thousand, one hundred twenty-two".