10021220122100 has 288 divisors, whose sum is σ = 25074127653120. Its totient is φ = 3440752128000.

The previous prime is 10021220122097. The next prime is 10021220122117. The reversal of 10021220122100 is 122102212001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1488370334 + ... + 1488377066.

It is an arithmetic number, because the mean of its divisors is an integer number (87062943240).

Almost surely, 2^{10021220122100} is an apocalyptic number.

10021220122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10021220122100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12537063826560).

10021220122100 is an abundant number, since it is smaller than the sum of its proper divisors (15052907531020).

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

10021220122100 is a wasteful number, since it uses less digits than its factorization.

10021220122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7531 (or 7524 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10021220122100 its reverse (122102212001), we get a palindrome (10143322334101).

The spelling of 10021220122100 in words is "ten trillion, twenty-one billion, two hundred twenty million, one hundred twenty-two thousand, one hundred".