1102120201 has 48 divisors (see below), whose sum is σ = 1417956624. Its totient is φ = 848848896.

The previous prime is 1102120163. The next prime is 1102120207. The reversal of 1102120201 is 1020212011.

It can be written as a sum of positive squares in 8 ways, for example, as 16483600 + 1085636601 = 4060^2 + 32949^2 .

It is not a de Polignac number, because 1102120201 - 2²¹ = 1100023049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1102120207) 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, 6370551 + ... + 6370723.

It is an arithmetic number, because the mean of its divisors is an integer number (29540763).

Almost surely, 2^1102120201 is an apocalyptic number.

It is an amenable number.

1102120201 is a deficient number, since it is larger than the sum of its proper divisors (315836423).

1102120201 is a wasteful number, since it uses less digits than its factorization.

1102120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 403 counting only the distinct ones).

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

The square root of 1102120201 is about 33198.1957491669. The cubic root of 1102120201 is about 1032.9429144465.

Adding to 1102120201 its reverse (1020212011), we get a palindrome (2122332212).

The spelling of 1102120201 in words is "one billion, one hundred two million, one hundred twenty thousand, two hundred one".