210002121002122 has 32 divisors (see below), whose sum is σ = 332491286534400. Its totient is φ = 99202000805568.

The previous prime is 210002121002099. The next prime is 210002121002137. The reversal of 210002121002122 is 221200121200012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210002121002096 and 210002121002105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1445695248 + ... + 1445840500.

It is an arithmetic number, because the mean of its divisors is an integer number (10390352704200).

Almost surely, 2^{210002121002122} is an apocalyptic number.

210002121002122 is a deficient number, since it is larger than the sum of its proper divisors (122489165532278).

210002121002122 is a wasteful number, since it uses less digits than its factorization.

210002121002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249310.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210002121002122 its reverse (221200121200012), we get a palindrome (431202242202134).

The spelling of 210002121002122 in words is "two hundred ten trillion, two billion, one hundred twenty-one million, two thousand, one hundred twenty-two".