1010902221 has 16 divisors (see below), whose sum is σ = 1711580800. Its totient is φ = 577658304.

The previous prime is 1010902199. The next prime is 1010902259. The reversal of 1010902221 is 1222090101.

It is not a de Polignac number, because 1010902221 - 2¹³ = 1010894029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010902194 and 1010902203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010902121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2674156 + ... + 2674533.

It is an arithmetic number, because the mean of its divisors is an integer number (106973800).

Almost surely, 2^1010902221 is an apocalyptic number.

It is an amenable number.

1010902221 is a deficient number, since it is larger than the sum of its proper divisors (700678579).

1010902221 is an equidigital number, since it uses as much as digits as its factorization.

1010902221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5348705 (or 5348699 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1010902221 is about 31794.6885658595. The cubic root of 1010902221 is about 1003.6209465874.

Adding to 1010902221 its reverse (1222090101), we get a palindrome (2232992322).

The spelling of 1010902221 in words is "one billion, ten million, nine hundred two thousand, two hundred twenty-one".