1211113001102 has 4 divisors (see below), whose sum is σ = 1816669501656. Its totient is φ = 605556500550.

The previous prime is 1211113001071. The next prime is 1211113001107. The reversal of 1211113001102 is 2011003111121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211113001107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302778250274 + ... + 302778250277.

It is an arithmetic number, because the mean of its divisors is an integer number (454167375414).

Almost surely, 2^{1211113001102} is an apocalyptic number.

1211113001102 is a deficient number, since it is larger than the sum of its proper divisors (605556500554).

1211113001102 is an equidigital number, since it uses as much as digits as its factorization.

1211113001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605556500553.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1211113001102 its reverse (2011003111121), we get a palindrome (3222116112223).

It can be divided in two parts, 121111 and 3001102, that added together give a palindrome (3122213).

The spelling of 1211113001102 in words is "one trillion, two hundred eleven billion, one hundred thirteen million, one thousand, one hundred two".