10021012121210 has 32 divisors (see below), whose sum is σ = 18996548725440. Its totient is φ = 3795562599552.

The previous prime is 10021012121171. The next prime is 10021012121227. The reversal of 10021012121210 is 1212121012001.

It is a Curzon number.

It is an unprimeable number.

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, 12624779 + ... + 13395038.

It is an arithmetic number, because the mean of its divisors is an integer number (593642147670).

Almost surely, 2^{10021012121210} is an apocalyptic number.

10021012121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10021012121210 is a deficient number, since it is larger than the sum of its proper divisors (8975536604230).

10021012121210 is a wasteful number, since it uses less digits than its factorization.

10021012121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26021870.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10021012121210 its reverse (1212121012001), we get a palindrome (11233133133211).

The spelling of 10021012121210 in words is "ten trillion, twenty-one billion, twelve million, one hundred twenty-one thousand, two hundred ten".