10220121121120 has 192 divisors, whose sum is σ = 26298864889920. Its totient is φ = 3737515917312.

The previous prime is 10220121121117. The next prime is 10220121121127. The reversal of 10220121121120 is 2112112102201.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 10220121121094 and 10220121121103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220121121127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62214132 + ... + 62378188.

It is an arithmetic number, because the mean of its divisors is an integer number (136973254635).

Almost surely, 2^{10220121121120} is an apocalyptic number.

10220121121120 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 10220121121120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13149432444960).

10220121121120 is an abundant number, since it is smaller than the sum of its proper divisors (16078743768800).

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

10220121121120 is a wasteful number, since it uses less digits than its factorization.

10220121121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164745 (or 164737 counting only the distinct ones).

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

Adding to 10220121121120 its reverse (2112112102201), we get a palindrome (12332233223321).

The spelling of 10220121121120 in words is "ten trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty".