1010221121 has 8 divisors (see below), whose sum is σ = 1243349184. Its totient is φ = 799295760.

The previous prime is 1010221103. The next prime is 1010221123. The reversal of 1010221121 is 1211220101.

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 1010221121 - 2⁶ = 1010221057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1010221123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5550575 + ... + 5550756.

It is an arithmetic number, because the mean of its divisors is an integer number (155418648).

Almost surely, 2^1010221121 is an apocalyptic number.

It is an amenable number.

1010221121 is a deficient number, since it is larger than the sum of its proper divisors (233128063).

1010221121 is a wasteful number, since it uses less digits than its factorization.

1010221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11101351.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1010221121 is about 31783.9758526211. The cubic root of 1010221121 is about 1003.3954978781.

Adding to 1010221121 its reverse (1211220101), we get a palindrome (2221441222).

The spelling of 1010221121 in words is "one billion, ten million, two hundred twenty-one thousand, one hundred twenty-one".