1010122221 has 8 divisors (see below), whose sum is σ = 1351623744. Its totient is φ = 671017760.

The previous prime is 1010122193. The next prime is 1010122231. The reversal of 1010122221 is 1222210101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1010122221 - 2⁷ = 1010122093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1010122197 and 1010122206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010122231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598281 + ... + 599966.

It is an arithmetic number, because the mean of its divisors is an integer number (168952968).

Almost surely, 2^1010122221 is an apocalyptic number.

It is an amenable number.

1010122221 is a deficient number, since it is larger than the sum of its proper divisors (341501523).

1010122221 is a wasteful number, since it uses less digits than its factorization.

1010122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198531.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1010122221 is about 31782.4199991127. The cubic root of 1010122221 is about 1003.3627528842.

Adding to 1010122221 its reverse (1222210101), we get a palindrome (2232332322).

The spelling of 1010122221 in words is "one billion, ten million, one hundred twenty-two thousand, two hundred twenty-one".