11001102121012 has 24 divisors (see below), whose sum is σ = 19535656367360. Its totient is φ = 5419771961760.

The previous prime is 11001102120979. The next prime is 11001102121013. The reversal of 11001102121012 is 21012120110011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11001102120983 and 11001102121001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001102121013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35589039 + ... + 35896822.

Almost surely, 2^{11001102121012} is an apocalyptic number.

It is an amenable number.

11001102121012 is a deficient number, since it is larger than the sum of its proper divisors (8534554246348).

11001102121012 is a wasteful number, since it uses less digits than its factorization.

11001102121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71486431 (or 71486429 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11001102121012 its reverse (21012120110011), we get a palindrome (32013222231023).

The spelling of 11001102121012 in words is "eleven trillion, one billion, one hundred two million, one hundred twenty-one thousand, twelve".