1101212301111 has 96 divisors (see below), whose sum is σ = 1720621585152. Its totient is φ = 623795927040.

The previous prime is 1101212301103. The next prime is 1101212301187. The reversal of 1101212301111 is 1111032121011.

It is not a de Polignac number, because 1101212301111 - 2³ = 1101212301103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101212301011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 151199476 + ... + 151206758.

It is an arithmetic number, because the mean of its divisors is an integer number (17923141512).

Almost surely, 2^{1101212301111} is an apocalyptic number.

1101212301111 is a deficient number, since it is larger than the sum of its proper divisors (619409284041).

1101212301111 is a wasteful number, since it uses less digits than its factorization.

1101212301111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7713 (or 7700 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1101212301111 its reverse (1111032121011), we get a palindrome (2212244422122).

The spelling of 1101212301111 in words is "one trillion, one hundred one billion, two hundred twelve million, three hundred one thousand, one hundred eleven".