2111022202211 has 4 divisors (see below), whose sum is σ = 2273408525472. Its totient is φ = 1948635878952.

The previous prime is 2111022202193. The next prime is 2111022202213. The reversal of 2111022202211 is 1122022201112.

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

It is a cyclic number.

It is not a de Polignac number, because 2111022202211 - 2⁶ = 2111022202147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2111022202211.

It is not an unprimeable number, because it can be changed into a prime (2111022202213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81193161611 + ... + 81193161636.

It is an arithmetic number, because the mean of its divisors is an integer number (568352131368).

Almost surely, 2^{2111022202211} is an apocalyptic number.

2111022202211 is a deficient number, since it is larger than the sum of its proper divisors (162386323261).

2111022202211 is a wasteful number, since it uses less digits than its factorization.

2111022202211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162386323260.

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

Adding to 2111022202211 its reverse (1122022201112), we get a palindrome (3233044403323).

The spelling of 2111022202211 in words is "two trillion, one hundred eleven billion, twenty-two million, two hundred two thousand, two hundred eleven".