210012210210121 has 8 divisors (see below), whose sum is σ = 229107595802688. Its totient is φ = 190917385698000.

The previous prime is 210012210210109. The next prime is 210012210210133. The reversal of 210012210210121 is 121012012210012.

It is an interprime number because it is at equal distance from previous prime (210012210210109) and next prime (210012210210133).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210012210210121 - 2¹³ = 210012210201929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210012210210095 and 210012210210104.

It is not an unprimeable number, because it can be changed into a prime (210012210210221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139487290 + ... + 140984851.

It is an arithmetic number, because the mean of its divisors is an integer number (28638449475336).

Almost surely, 2^{210012210210121} is an apocalyptic number.

It is an amenable number.

210012210210121 is a deficient number, since it is larger than the sum of its proper divisors (19095385592567).

210012210210121 is a wasteful number, since it uses less digits than its factorization.

210012210210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280540223.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210012210210121 its reverse (121012012210012), we get a palindrome (331024222420133).

The spelling of 210012210210121 in words is "two hundred ten trillion, twelve billion, two hundred ten million, two hundred ten thousand, one hundred twenty-one".