10220121203112 has 96 divisors (see below), whose sum is σ = 28444101048480. Its totient is φ = 3312708658560.

The previous prime is 10220121203099. The next prime is 10220121203161. The reversal of 10220121203112 is 21130212102201.

10220121203112 is a `hidden beast` number, since 1 + 0 + 220 + 12 + 120 + 311 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3476787 + ... + 5703357.

It is an arithmetic number, because the mean of its divisors is an integer number (296292719255).

Almost surely, 2^{10220121203112} is an apocalyptic number.

10220121203112 is a gapful number since it is divisible by the number (12) 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 10220121203112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14222050524240).

10220121203112 is an abundant number, since it is smaller than the sum of its proper divisors (18223979845368).

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

10220121203112 is a wasteful number, since it uses less digits than its factorization.

10220121203112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228343 (or 2228336 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 10220121203112 its reverse (21130212102201), we get a palindrome (31350333305313).

The spelling of 10220121203112 in words is "ten trillion, two hundred twenty billion, one hundred twenty-one million, two hundred three thousand, one hundred twelve".