1101211021104 has 80 divisors (see below), whose sum is σ = 2968942808832. Its totient is φ = 351056242944.

The previous prime is 1101211021103. The next prime is 1101211021123. The reversal of 1101211021104 is 4011201121011.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1101211021103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7359159 + ... + 7507305.

Almost surely, 2^{1101211021104} is an apocalyptic number.

It is an amenable number.

1101211021104 is an abundant number, since it is smaller than the sum of its proper divisors (1867731787728).

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

1101211021104 is a wasteful number, since it uses less digits than its factorization.

1101211021104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154914 (or 154908 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1101211021104 its reverse (4011201121011), we get a palindrome (5112412142115).

The spelling of 1101211021104 in words is "one trillion, one hundred one billion, two hundred eleven million, twenty-one thousand, one hundred four".