1102212111111 has 32 divisors (see below), whose sum is σ = 1522314528768. Its totient is φ = 708909223680.

The previous prime is 1102212111103. The next prime is 1102212111113. The reversal of 1102212111111 is 1111112122011.

It is not a de Polignac number, because 1102212111111 - 2³ = 1102212111103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102212111113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98432565 + ... + 98443761.

It is an arithmetic number, because the mean of its divisors is an integer number (47572329024).

Almost surely, 2^{1102212111111} is an apocalyptic number.

1102212111111 is a deficient number, since it is larger than the sum of its proper divisors (420102417657).

1102212111111 is a wasteful number, since it uses less digits than its factorization.

1102212111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21151.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 1102212111111 its reverse (1111112122011), we get a palindrome (2213324233122).

The spelling of 1102212111111 in words is "one trillion, one hundred two billion, two hundred twelve million, one hundred eleven thousand, one hundred eleven".