10011220101 has 12 divisors (see below), whose sum is σ = 14768325312. Its totient is φ = 6532143336.

The previous prime is 10011220069. The next prime is 10011220103. The reversal of 10011220101 is 10102211001.

It is a happy number.

It is not a de Polignac number, because 10011220101 - 2⁵ = 10011220069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011220103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11833171 + ... + 11834016.

It is an arithmetic number, because the mean of its divisors is an integer number (1230693776).

Almost surely, 2^10011220101 is an apocalyptic number.

It is an amenable number.

10011220101 is a deficient number, since it is larger than the sum of its proper divisors (4757105211).

10011220101 is a wasteful number, since it uses less digits than its factorization.

10011220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23667240 (or 23667237 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10011220101 its reverse (10102211001), we get a palindrome (20113431102).

The spelling of 10011220101 in words is "ten billion, eleven million, two hundred twenty thousand, one hundred one".