1102010121 has 48 divisors (see below), whose sum is σ = 1677836160. Its totient is φ = 696084480.

The previous prime is 1102010093. The next prime is 1102010131. The reversal of 1102010121 is 1210102011.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1102010121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1102010131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5709801 + ... + 5709993.

It is an arithmetic number, because the mean of its divisors is an integer number (34954920).

Almost surely, 2^1102010121 is an apocalyptic number.

It is an amenable number.

1102010121 is a deficient number, since it is larger than the sum of its proper divisors (575826039).

1102010121 is a wasteful number, since it uses less digits than its factorization.

1102010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1102010121 is about 33196.5377863415. The cubic root of 1102010121 is about 1032.9085231155.

Adding to 1102010121 its reverse (1210102011), we get a palindrome (2312112132).

The spelling of 1102010121 in words is "one billion, one hundred two million, ten thousand, one hundred twenty-one".