21203033200101 has 6 divisors (see below), whose sum is σ = 30626603511270. Its totient is φ = 14135355466728.

The previous prime is 21203033200049. The next prime is 21203033200127. The reversal of 21203033200101 is 10100233030212.

21203033200101 is a `hidden beast` number, since 21 + 20 + 303 + 320 + 0 + 1 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14573695637601 + 6629337562500 = 3817551^2 + 2574750^2 .

It is not a de Polignac number, because 21203033200101 - 2¹⁹ = 21203032675813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21203033200301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1177946288886 + ... + 1177946288903.

It is an arithmetic number, because the mean of its divisors is an integer number (5104433918545).

Almost surely, 2^{21203033200101} is an apocalyptic number.

It is an amenable number.

21203033200101 is a deficient number, since it is larger than the sum of its proper divisors (9423570311169).

21203033200101 is a wasteful number, since it uses less digits than its factorization.

21203033200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355892577795 (or 2355892577792 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21203033200101 its reverse (10100233030212), we get a palindrome (31303266230313).

The spelling of 21203033200101 in words is "twenty-one trillion, two hundred three billion, thirty-three million, two hundred thousand, one hundred one".