2202121021111 has 32 divisors (see below), whose sum is σ = 2430039237696. Its totient is φ = 1978927104000.

The previous prime is 2202121021081. The next prime is 2202121021141. The reversal of 2202121021111 is 1111201212022.

It is an interprime number because it is at equal distance from previous prime (2202121021081) and next prime (2202121021141).

It is a de Polignac number, because none of the positive numbers 2^k-2202121021111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202121021141) 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 in 31 ways as a sum of consecutive naturals, for example, 1030472035 + ... + 1030474171.

It is an arithmetic number, because the mean of its divisors is an integer number (75938726178).

Almost surely, 2^{2202121021111} is an apocalyptic number.

2202121021111 is a deficient number, since it is larger than the sum of its proper divisors (227918216585).

2202121021111 is a wasteful number, since it uses less digits than its factorization.

2202121021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083.

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

Adding to 2202121021111 its reverse (1111201212022), we get a palindrome (3313322233133).

The spelling of 2202121021111 in words is "two trillion, two hundred two billion, one hundred twenty-one million, twenty-one thousand, one hundred eleven".