1211100033114 has 128 divisors (see below), whose sum is σ = 2871120384000. Its totient is φ = 377311768704.

The previous prime is 1211100033097. The next prime is 1211100033119. The reversal of 1211100033114 is 4113300011121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1211100033119) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 116145169 + ... + 116155595.

It is an arithmetic number, because the mean of its divisors is an integer number (22430628000).

Almost surely, 2^{1211100033114} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1211100033114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1435560192000).

1211100033114 is an abundant number, since it is smaller than the sum of its proper divisors (1660020350886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211100033114 is a wasteful number, since it uses less digits than its factorization.

1211100033114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11969 (or 11963 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1211100033114 its reverse (4113300011121), we get a palindrome (5324400044235).

The spelling of 1211100033114 in words is "one trillion, two hundred eleven billion, one hundred million, thirty-three thousand, one hundred fourteen".