210203112103101 has 160 divisors (see below), whose sum is σ = 351343978524000. Its totient is φ = 124352730980352.

The previous prime is 210203112103087. The next prime is 210203112103109. The reversal of 210203112103101 is 101301211302012.

210203112103101 is a `hidden beast` number, since 2 + 1 + 0 + 20 + 311 + 21 + 0 + 310 + 1 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 82074522131001 + 128128589972100 = 9059499^2 + 11319390^2 .

It is not a de Polignac number, because 210203112103101 - 2¹¹ = 210203112101053 is a prime.

It is a super-2 number, since 2×210203112103101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210203112103109) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 10101537585 + ... + 10101558393.

It is an arithmetic number, because the mean of its divisors is an integer number (2195899865775).

Almost surely, 2^{210203112103101} is an apocalyptic number.

It is an amenable number.

210203112103101 is a deficient number, since it is larger than the sum of its proper divisors (141140866420899).

210203112103101 is a wasteful number, since it uses less digits than its factorization.

210203112103101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22285 (or 22276 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 210203112103101 its reverse (101301211302012), we get a palindrome (311504323405113).

The spelling of 210203112103101 in words is "two hundred ten trillion, two hundred three billion, one hundred twelve million, one hundred three thousand, one hundred one".