2111121202 has 4 divisors (see below), whose sum is σ = 3166681806. Its totient is φ = 1055560600.

The previous prime is 2111121197. The next prime is 2111121209. The reversal of 2111121202 is 2021211112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1882778881 + 228342321 = 43391^2 + 15111^2 .

It is not an unprimeable number, because it can be changed into a prime (2111121209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527780299 + ... + 527780302.

Almost surely, 2^2111121202 is an apocalyptic number.

2111121202 is a deficient number, since it is larger than the sum of its proper divisors (1055560604).

2111121202 is a wasteful number, since it uses less digits than its factorization.

2111121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055560603.

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

The square root of 2111121202 is about 45946.9389840063. The cubic root of 2111121202 is about 1282.8357543590.

Adding to 2111121202 its reverse (2021211112), we get a palindrome (4132332314).

The spelling of 2111121202 in words is "two billion, one hundred eleven million, one hundred twenty-one thousand, two hundred two".