1211011112002 has 8 divisors (see below), whose sum is σ = 1817891779212. Its totient is φ = 605047185600.

The previous prime is 1211011111991. The next prime is 1211011112023. The reversal of 1211011112002 is 2002111101121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1204087041481 + 6924070521 = 1097309^2 + 83211^2 .

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, 229181899 + ... + 229187182.

Almost surely, 2^{1211011112002} is an apocalyptic number.

1211011112002 is a deficient number, since it is larger than the sum of its proper divisors (606880667210).

1211011112002 is a wasteful number, since it uses less digits than its factorization.

1211011112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458370404.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1211011112002 its reverse (2002111101121), we get a palindrome (3213122213123).

The spelling of 1211011112002 in words is "one trillion, two hundred eleven billion, eleven million, one hundred twelve thousand, two".