2111011202122 has 4 divisors (see below), whose sum is σ = 3166516803186. Its totient is φ = 1055505601060.

The previous prime is 2111011202101. The next prime is 2111011202123. The reversal of 2111011202122 is 2212021101112.

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., 2024157807441 + 86853394681 = 1422729^2 + 294709^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2111011202096 and 2111011202105.

It is not an unprimeable number, because it can be changed into a prime (2111011202123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527752800529 + ... + 527752800532.

Almost surely, 2^{2111011202122} is an apocalyptic number.

2111011202122 is a deficient number, since it is larger than the sum of its proper divisors (1055505601064).

2111011202122 is a wasteful number, since it uses less digits than its factorization.

2111011202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055505601063.

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

Adding to 2111011202122 its reverse (2212021101112), we get a palindrome (4323032303234).

The spelling of 2111011202122 in words is "two trillion, one hundred eleven billion, eleven million, two hundred two thousand, one hundred twenty-two".