210032121029 has 2 divisors, whose sum is σ = 210032121030. Its totient is φ = 210032121028.

The previous prime is 210032121001. The next prime is 210032121043. The reversal of 210032121029 is 920121230012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166933530625 + 43098590404 = 408575^2 + 207602^2 .

It is a cyclic number.

It is not a de Polignac number, because 210032121029 - 2³² = 205737153733 is a prime.

It is a super-2 number, since 2×210032121029² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210032120995 and 210032121013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210032421029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105016060514 + 105016060515.

It is an arithmetic number, because the mean of its divisors is an integer number (105016060515).

Almost surely, 2^210032121029 is an apocalyptic number.

It is an amenable number.

210032121029 is a deficient number, since it is larger than the sum of its proper divisors (1).

210032121029 is an equidigital number, since it uses as much as digits as its factorization.

210032121029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 210032121029 in words is "two hundred ten billion, thirty-two million, one hundred twenty-one thousand, twenty-nine".