101120021221220 has 12 divisors (see below), whose sum is σ = 212352044564604. Its totient is φ = 40448008488480.

The previous prime is 101120021221189. The next prime is 101120021221267. The reversal of 101120021221220 is 22122120021101.

101120021221220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 63124804692544 + 37995216528676 = 7945112^2 + 6164026^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2528000530511 + ... + 2528000530550.

It is an arithmetic number, because the mean of its divisors is an integer number (17696003713717).

Almost surely, 2^{101120021221220} is an apocalyptic number.

101120021221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101120021221220 is an abundant number, since it is smaller than the sum of its proper divisors (111232023343384).

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

101120021221220 is a wasteful number, since it uses less digits than its factorization.

101120021221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056001061070 (or 5056001061068 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101120021221220 its reverse (22122120021101), we get a palindrome (123242141242321).

The spelling of 101120021221220 in words is "one hundred one trillion, one hundred twenty billion, twenty-one million, two hundred twenty-one thousand, two hundred twenty".