11012121022101 has 16 divisors (see below), whose sum is σ = 14688231230400. Its totient is φ = 7338712762368.

The previous prime is 11012121022099. The next prime is 11012121022117. The reversal of 11012121022101 is 10122012121011.

It is a happy number.

It is not a de Polignac number, because 11012121022101 - 2¹ = 11012121022099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012121022181) 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, 162054390 + ... + 162122328.

It is an arithmetic number, because the mean of its divisors is an integer number (918014451900).

Almost surely, 2^{11012121022101} is an apocalyptic number.

It is an amenable number.

11012121022101 is a deficient number, since it is larger than the sum of its proper divisors (3676110208299).

11012121022101 is a wasteful number, since it uses less digits than its factorization.

11012121022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87028.

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

Adding to 11012121022101 its reverse (10122012121011), we get a palindrome (21134133143112).

The spelling of 11012121022101 in words is "eleven trillion, twelve billion, one hundred twenty-one million, twenty-two thousand, one hundred one".