1121311202 has 16 divisors (see below), whose sum is σ = 1847029824. Its totient is φ = 506310000.

The previous prime is 1121311189. The next prime is 1121311223. The reversal of 1121311202 is 2021131211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165449 + ... + 172092.

It is an arithmetic number, because the mean of its divisors is an integer number (115439364).

Almost surely, 2^1121311202 is an apocalyptic number.

1121311202 is a deficient number, since it is larger than the sum of its proper divisors (725718622).

1121311202 is a wasteful number, since it uses less digits than its factorization.

1121311202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337705.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1121311202 is about 33485.9851579732. The cubic root of 1121311202 is about 1038.9039247436.

Adding to 1121311202 its reverse (2021131211), we get a palindrome (3142442413).

Subtracting 1121311202 from its reverse (2021131211), we obtain a square (899820009 = 29997²).

The spelling of 1121311202 in words is "one billion, one hundred twenty-one million, three hundred eleven thousand, two hundred two".