1121212211002 has 8 divisors (see below), whose sum is σ = 1811188956276. Its totient is φ = 517482558912.

The previous prime is 1121212210999. The next prime is 1121212211017. The reversal of 1121212211002 is 2001122121211.

It can be written as a sum of positive squares in 2 ways, for example, as 1014151716601 + 107060494401 = 1007051^2 + 327201^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21561773263 + ... + 21561773314.

Almost surely, 2^{1121212211002} is an apocalyptic number.

1121212211002 is a deficient number, since it is larger than the sum of its proper divisors (689976745274).

1121212211002 is a wasteful number, since it uses less digits than its factorization.

1121212211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43123546592.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1121212211002 its reverse (2001122121211), we get a palindrome (3122334332213).

The spelling of 1121212211002 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, two hundred eleven thousand, two".