10101110101220 has 48 divisors (see below), whose sum is σ = 21482681068800. Its totient is φ = 3988957589760.

The previous prime is 10101110101211. The next prime is 10101110101241. The reversal of 10101110101220 is 2210101110101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18595880 + ... + 19131360.

It is an arithmetic number, because the mean of its divisors is an integer number (447555855600).

Almost surely, 2^{10101110101220} is an apocalyptic number.

10101110101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101110101220 is an abundant number, since it is smaller than the sum of its proper divisors (11381570967580).

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

10101110101220 is a wasteful number, since it uses less digits than its factorization.

10101110101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547508 (or 547506 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10101110101220 its reverse (2210101110101), we get a palindrome (12311211211321).

The spelling of 10101110101220 in words is "ten trillion, one hundred one billion, one hundred ten million, one hundred one thousand, two hundred twenty".