10210112121220 has 192 divisors, whose sum is σ = 24946147279872. Its totient is φ = 3469061120000.

The previous prime is 10210112121193. The next prime is 10210112121221. The reversal of 10210112121220 is 2212121101201.

It is a junction number, because it is equal to n+sod(n) for n = 10210112121194 and 10210112121203.

It is not an unprimeable number, because it can be changed into a prime (10210112121221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 453549765 + ... + 453572275.

It is an arithmetic number, because the mean of its divisors is an integer number (129927850416).

Almost surely, 2^{10210112121220} is an apocalyptic number.

10210112121220 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 10210112121220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12473073639936).

10210112121220 is an abundant number, since it is smaller than the sum of its proper divisors (14736035158652).

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

10210112121220 is a wasteful number, since it uses less digits than its factorization.

10210112121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23422 (or 23420 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10210112121220 its reverse (2212121101201), we get a palindrome (12422233222421).

The spelling of 10210112121220 in words is "ten trillion, two hundred ten billion, one hundred twelve million, one hundred twenty-one thousand, two hundred twenty".