1022103121 has 12 divisors (see below), whose sum is σ = 1169288092. Its totient is φ = 887977728.

The previous prime is 1022103107. The next prime is 1022103143. The reversal of 1022103121 is 1213012201.

1022103121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 50908225 + 971194896 = 7135^2 + 31164^2 .

It is not a de Polignac number, because 1022103121 - 2¹³ = 1022094929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022103101) 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, 132270 + ... + 139783.

Almost surely, 2^1022103121 is an apocalyptic number.

It is an amenable number.

1022103121 is a deficient number, since it is larger than the sum of its proper divisors (147184971).

1022103121 is a wasteful number, since it uses less digits than its factorization.

1022103121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272100 (or 272083 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1022103121 is about 31970.3475270445. The cubic root of 1022103121 is about 1007.3140807979.

Adding to 1022103121 its reverse (1213012201), we get a palindrome (2235115322).

The spelling of 1022103121 in words is "one billion, twenty-two million, one hundred three thousand, one hundred twenty-one".