10202121210 has 16 divisors (see below), whose sum is σ = 24485090976. Its totient is φ = 2720565648.

The previous prime is 10202121203. The next prime is 10202121221. The reversal of 10202121210 is 1212120201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170035324 + ... + 170035383.

It is an arithmetic number, because the mean of its divisors is an integer number (1530318186).

Almost surely, 2^10202121210 is an apocalyptic number.

10202121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10202121210 is an abundant number, since it is smaller than the sum of its proper divisors (14282969766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10202121210 is a wasteful number, since it uses less digits than its factorization.

10202121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340070717.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10202121210 its reverse (1212120201), we get a palindrome (11414241411).

The spelling of 10202121210 in words is "ten billion, two hundred two million, one hundred twenty-one thousand, two hundred ten".