1022010121 has 4 divisors (see below), whose sum is σ = 1114920144. Its totient is φ = 929100100.

The previous prime is 1022010113. The next prime is 1022010137. The reversal of 1022010121 is 1210102201.

1022010121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1022010121 - 2³ = 1022010113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022010098 and 1022010107.

It is not an unprimeable number, because it can be changed into a prime (1022010181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46454995 + ... + 46455016.

It is an arithmetic number, because the mean of its divisors is an integer number (278730036).

Almost surely, 2^1022010121 is an apocalyptic number.

1022010121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1022010121 is a deficient number, since it is larger than the sum of its proper divisors (92910023).

1022010121 is an equidigital number, since it uses as much as digits as its factorization.

1022010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92910022.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1022010121 is about 31968.8930211855. The cubic root of 1022010121 is about 1007.2835284173.

Adding to 1022010121 its reverse (1210102201), we get a palindrome (2232112322).

The spelling of 1022010121 in words is "one billion, twenty-two million, ten thousand, one hundred twenty-one".