2121012130202 has 32 divisors (see below), whose sum is σ = 3649945536000. Its totient is φ = 905524771968.

The previous prime is 2121012130073. The next prime is 2121012130207. The reversal of 2121012130202 is 2020312101212.

It is not an unprimeable number, because it can be changed into a prime (2121012130207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40642958 + ... + 40695110.

It is an arithmetic number, because the mean of its divisors is an integer number (114060798000).

Almost surely, 2^{2121012130202} is an apocalyptic number.

2121012130202 is a deficient number, since it is larger than the sum of its proper divisors (1528933405798).

2121012130202 is a wasteful number, since it uses less digits than its factorization.

2121012130202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63230.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2121012130202 its reverse (2020312101212), we get a palindrome (4141324231414).

The spelling of 2121012130202 in words is "two trillion, one hundred twenty-one billion, twelve million, one hundred thirty thousand, two hundred two".