210011020101 has 6 divisors (see below), whose sum is σ = 303349251270. Its totient is φ = 140007346728.

The previous prime is 210011020069. The next prime is 210011020103. The reversal of 210011020101 is 101020110012.

It is a happy number.

210011020101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 206638430625 + 3372589476 = 454575^2 + 58074^2 .

It is not a de Polignac number, because 210011020101 - 2⁵ = 210011020069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 23334557789 = 210011020101 / (2 + 1 + 0 + 0 + 1 + 1 + 0 + 2 + 0 + 1 + 0 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210011020103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11667278886 + ... + 11667278903.

It is an arithmetic number, because the mean of its divisors is an integer number (50558208545).

Almost surely, 2^210011020101 is an apocalyptic number.

It is an amenable number.

210011020101 is a deficient number, since it is larger than the sum of its proper divisors (93338231169).

210011020101 is a wasteful number, since it uses less digits than its factorization.

210011020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23334557795 (or 23334557792 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 210011020101 its reverse (101020110012), we get a palindrome (311031130113).

The spelling of 210011020101 in words is "two hundred ten billion, eleven million, twenty thousand, one hundred one".