1102140121 has 2 divisors, whose sum is σ = 1102140122. Its totient is φ = 1102140120.

The previous prime is 1102140113. The next prime is 1102140187. The reversal of 1102140121 is 1210412011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1046846025 + 55294096 = 32355^2 + 7436^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102140121 - 2³ = 1102140113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1102140101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551070060 + 551070061.

It is an arithmetic number, because the mean of its divisors is an integer number (551070061).

Almost surely, 2^1102140121 is an apocalyptic number.

It is an amenable number.

1102140121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102140121 is an equidigital number, since it uses as much as digits as its factorization.

1102140121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1102140121 is about 33198.4957641156. The cubic root of 1102140121 is about 1032.9491376330.

Adding to 1102140121 its reverse (1210412011), we get a palindrome (2312552132).

The spelling of 1102140121 in words is "one billion, one hundred two million, one hundred forty thousand, one hundred twenty-one".