10121100110220 has 48 divisors (see below), whose sum is σ = 30915360338688. Its totient is φ = 2453600026560.

The previous prime is 10121100110141. The next prime is 10121100110249. The reversal of 10121100110220 is 2201100112101.

It is a super-2 number, since 2×10121100110220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10121100110196 and 10121100110205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7667499424 + ... + 7667500743.

It is an arithmetic number, because the mean of its divisors is an integer number (644070007056).

Almost surely, 2^{10121100110220} is an apocalyptic number.

10121100110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121100110220 is an abundant number, since it is smaller than the sum of its proper divisors (20794260228468).

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

10121100110220 is a wasteful number, since it uses less digits than its factorization.

10121100110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15335000190 (or 15335000188 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10121100110220 its reverse (2201100112101), we get a palindrome (12322200222321).

The spelling of 10121100110220 in words is "ten trillion, one hundred twenty-one billion, one hundred million, one hundred ten thousand, two hundred twenty".