1100201102021 has 16 divisors (see below), whose sum is σ = 1323631564800. Its totient is φ = 893341461168.

The previous prime is 1100201101973. The next prime is 1100201102047. The reversal of 1100201102021 is 1202011020011.

It is a cyclic number.

It is not a de Polignac number, because 1100201102021 - 2¹⁸ = 1100200839877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100201101993 and 1100201102011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100201102051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1991600 + ... + 2483318.

It is an arithmetic number, because the mean of its divisors is an integer number (82726972800).

Almost surely, 2^{1100201102021} is an apocalyptic number.

It is an amenable number.

1100201102021 is a deficient number, since it is larger than the sum of its proper divisors (223430462779).

1100201102021 is a wasteful number, since it uses less digits than its factorization.

1100201102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508568.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1100201102021 its reverse (1202011020011), we get a palindrome (2302212122032).

The spelling of 1100201102021 in words is "one trillion, one hundred billion, two hundred one million, one hundred two thousand, twenty-one".