1121031401202 has 40 divisors (see below), whose sum is σ = 2515092766956. Its totient is φ = 373208236128.

The previous prime is 1121031401131. The next prime is 1121031401207. The reversal of 1121031401202 is 2021041301211.

1121031401202 is a `hidden beast` number, since 1 + 1 + 210 + 31 + 401 + 20 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1075346186121 + 45685215081 = 1036989^2 + 213741^2 .

It is a super-2 number, since 2×1121031401202² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1121031401207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4212133 + ... + 4470360.

Almost surely, 2^{1121031401202} is an apocalyptic number.

1121031401202 is an abundant number, since it is smaller than the sum of its proper divisors (1394061365754).

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

1121031401202 is an equidigital number, since it uses as much as digits as its factorization.

1121031401202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8683304 (or 8683295 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1121031401202 its reverse (2021041301211), we get a palindrome (3142072702413).

Subtracting 1121031401202 from its reverse (2021041301211), we obtain a palindrome (900009900009).

The spelling of 1121031401202 in words is "one trillion, one hundred twenty-one billion, thirty-one million, four hundred one thousand, two hundred two".