202100111020001 has 8 divisors (see below), whose sum is σ = 202120061839080. Its totient is φ = 202080160789632.

The previous prime is 202100111019901. The next prime is 202100111020033. The reversal of 202100111020001 is 100020111001202.

It can be written as a sum of positive squares in 4 ways, for example, as 26518132979776 + 175581978040225 = 5149576^2 + 13250735^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202100111020001 - 2¹⁴ = 202100111003617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202100111020201) 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, 1013578751 + ... + 1013778123.

It is an arithmetic number, because the mean of its divisors is an integer number (25265007729885).

Almost surely, 2^{202100111020001} is an apocalyptic number.

It is an amenable number.

202100111020001 is a deficient number, since it is larger than the sum of its proper divisors (19950819079).

202100111020001 is a wasteful number, since it uses less digits than its factorization.

202100111020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294355.

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

Adding to 202100111020001 its reverse (100020111001202), we get a palindrome (302120222021203).

The spelling of 202100111020001 in words is "two hundred two trillion, one hundred billion, one hundred eleven million, twenty thousand, one".