1102201121111 has 4 divisors (see below), whose sum is σ = 1102228604472. Its totient is φ = 1102173637752.

The previous prime is 1102201121107. The next prime is 1102201121209. The reversal of 1102201121111 is 1111211022011.

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 1102201121111 - 2² = 1102201121107 is a prime.

It is a super-2 number, since 2×1102201121111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102201121711) 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, 13681436 + ... + 13761761.

It is an arithmetic number, because the mean of its divisors is an integer number (275557151118).

Almost surely, 2^{1102201121111} is an apocalyptic number.

1102201121111 is a deficient number, since it is larger than the sum of its proper divisors (27483361).

1102201121111 is an equidigital number, since it uses as much as digits as its factorization.

1102201121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27483360.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1102201121111 its reverse (1111211022011), we get a palindrome (2213412143122).

The spelling of 1102201121111 in words is "one trillion, one hundred two billion, two hundred one million, one hundred twenty-one thousand, one hundred eleven".