10202121122210 has 8 divisors (see below), whose sum is σ = 18363818019996. Its totient is φ = 4080848448880.

The previous prime is 10202121122209. The next prime is 10202121122231. The reversal of 10202121122210 is 1222112120201.

10202121122210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10032188373769 + 169932748441 = 3167363^2 + 412229^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510106056101 + ... + 510106056120.

Almost surely, 2^{10202121122210} is an apocalyptic number.

10202121122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10202121122210 is a deficient number, since it is larger than the sum of its proper divisors (8161696897786).

10202121122210 is a wasteful number, since it uses less digits than its factorization.

10202121122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020212112228.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10202121122210 its reverse (1222112120201), we get a palindrome (11424233242411).

The spelling of 10202121122210 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred ten".