210303010213121 has 32 divisors (see below), whose sum is σ = 251130958848000. Its totient is φ = 172314041034240.

The previous prime is 210303010213097. The next prime is 210303010213129. The reversal of 210303010213121 is 121312010303012.

It is a happy number.

It is not a de Polignac number, because 210303010213121 - 2⁶ = 210303010213057 is a prime.

It is a super-2 number, since 2×210303010213121² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210303010213093 and 210303010213102.

It is not an unprimeable number, because it can be changed into a prime (210303010213129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105984305 + ... + 107950353.

It is an arithmetic number, because the mean of its divisors is an integer number (7847842464000).

Almost surely, 2^{210303010213121} is an apocalyptic number.

It is an amenable number.

210303010213121 is a deficient number, since it is larger than the sum of its proper divisors (40827948634879).

210303010213121 is a wasteful number, since it uses less digits than its factorization.

210303010213121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972109.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 210303010213121 its reverse (121312010303012), we get a palindrome (331615020516133).

The spelling of 210303010213121 in words is "two hundred ten trillion, three hundred three billion, ten million, two hundred thirteen thousand, one hundred twenty-one".