10101121021210 has 8 divisors (see below), whose sum is σ = 18182017838196. Its totient is φ = 4040448408480.

The previous prime is 10101121021171. The next prime is 10101121021249. The reversal of 10101121021210 is 1212012110101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10101121021171) and next prime (10101121021249).

It can be written as a sum of positive squares in 2 ways, for example, as 8871503949049 + 1229617072161 = 2978507^2 + 1108881^2 .

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, 505056051051 + ... + 505056051070.

Almost surely, 2^{10101121021210} is an apocalyptic number.

10101121021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10101121021210 is a deficient number, since it is larger than the sum of its proper divisors (8080896816986).

10101121021210 is a wasteful number, since it uses less digits than its factorization.

10101121021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010112102128.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10101121021210 its reverse (1212012110101), we get a palindrome (11313133131311).

The spelling of 10101121021210 in words is "ten trillion, one hundred one billion, one hundred twenty-one million, twenty-one thousand, two hundred ten".