1101203213 has 24 divisors (see below), whose sum is σ = 1249833984. Its totient is φ = 968790240.

The previous prime is 1101203209. The next prime is 1101203219. The reversal of 1101203213 is 3123021011.

It is not a de Polignac number, because 1101203213 - 2² = 1101203209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101203219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 997820 + ... + 998922.

It is an arithmetic number, because the mean of its divisors is an integer number (52076416).

Almost surely, 2^1101203213 is an apocalyptic number.

It is an amenable number.

1101203213 is a deficient number, since it is larger than the sum of its proper divisors (148630771).

1101203213 is a wasteful number, since it uses less digits than its factorization.

1101203213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385 (or 1374 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1101203213 is about 33184.3820644592. The cubic root of 1101203213 is about 1032.6563579608.

Adding to 1101203213 its reverse (3123021011), we get a palindrome (4224224224).

The spelling of 1101203213 in words is "one billion, one hundred one million, two hundred three thousand, two hundred thirteen".