1121211542002 has 8 divisors (see below), whose sum is σ = 1709388088812. Its totient is φ = 551415512400.

The previous prime is 1121211541997. The next prime is 1121211542027. The reversal of 1121211542002 is 2002451121211.

It can be written as a sum of positive squares in 2 ways, for example, as 1116722676001 + 4488866001 = 1056751^2 + 66999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1121211542002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4595129149 + ... + 4595129392.

Almost surely, 2^{1121211542002} is an apocalyptic number.

1121211542002 is a deficient number, since it is larger than the sum of its proper divisors (588176546810).

1121211542002 is an equidigital number, since it uses as much as digits as its factorization.

1121211542002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9190258604.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 1121211542002 its reverse (2002451121211), we get a palindrome (3123662663213).

The spelling of 1121211542002 in words is "one trillion, one hundred twenty-one billion, two hundred eleven million, five hundred forty-two thousand, two".