10101110221220 has 96 divisors (see below), whose sum is σ = 21499465236480. Its totient is φ = 3986101002240.

The previous prime is 10101110221133. The next prime is 10101110221283. The reversal of 10101110221220 is 2212201110101.

It is a junction number, because it is equal to n+sod(n) for n = 10101110221195 and 10101110221204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1644325469 + ... + 1644331611.

It is an arithmetic number, because the mean of its divisors is an integer number (223952762880).

Almost surely, 2^{10101110221220} is an apocalyptic number.

10101110221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101110221220 is an abundant number, since it is smaller than the sum of its proper divisors (11398355015260).

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

10101110221220 is a wasteful number, since it uses less digits than its factorization.

10101110221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9525 (or 9523 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10101110221220 its reverse (2212201110101), we get a palindrome (12313311331321).

The spelling of 10101110221220 in words is "ten trillion, one hundred one billion, one hundred ten million, two hundred twenty-one thousand, two hundred twenty".