1121321202 has 16 divisors (see below), whose sum is σ = 2269663200. Its totient is φ = 369270272.

The previous prime is 1121321197. The next prime is 1121321209. The reversal of 1121321202 is 2021231211.

It is a super-2 number, since 2×1121321202² = 2514722476109449608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121321209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1125327 + ... + 1126322.

It is an arithmetic number, because the mean of its divisors is an integer number (141853950).

Almost surely, 2^1121321202 is an apocalyptic number.

1121321202 is an abundant number, since it is smaller than the sum of its proper divisors (1148341998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121321202 is a wasteful number, since it uses less digits than its factorization.

1121321202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251737.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1121321202 is about 33486.1344738386. The cubic root of 1121321202 is about 1038.9070130948.

Adding to 1121321202 its reverse (2021231211), we get a palindrome (3142552413).

The spelling of 1121321202 in words is "one billion, one hundred twenty-one million, three hundred twenty-one thousand, two hundred two".