210033030230121 has 32 divisors (see below), whose sum is σ = 328483314690048. Its totient is φ = 116867700063360.

The previous prime is 210033030230053. The next prime is 210033030230141. The reversal of 210033030230121 is 121032030330012.

It is not a de Polignac number, because 210033030230121 - 2⁷ = 210033030229993 is a prime.

It is a super-2 number, since 2×210033030230121² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (210033030230141) 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 31 ways as a sum of consecutive naturals, for example, 232762701 + ... + 233663306.

It is an arithmetic number, because the mean of its divisors is an integer number (10265103584064).

Almost surely, 2^{210033030230121} is an apocalyptic number.

210033030230121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

210033030230121 is a deficient number, since it is larger than the sum of its proper divisors (118450284459927).

210033030230121 is a wasteful number, since it uses less digits than its factorization.

210033030230121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466426581.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 210033030230121 its reverse (121032030330012), we get a palindrome (331065060560133).

The spelling of 210033030230121 in words is "two hundred ten trillion, thirty-three billion, thirty million, two hundred thirty thousand, one hundred twenty-one".