1211011100002 has 32 divisors (see below), whose sum is σ = 2015101281600. Its totient is φ = 541245931200.

The previous prime is 1211011099993. The next prime is 1211011100027. The reversal of 1211011100002 is 2000011101121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1613377 + ... + 2241652.

It is an arithmetic number, because the mean of its divisors is an integer number (62971915050).

Almost surely, 2^{1211011100002} is an apocalyptic number.

1211011100002 is a deficient number, since it is larger than the sum of its proper divisors (804090181598).

1211011100002 is a wasteful number, since it uses less digits than its factorization.

1211011100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855282.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1211011100002 its reverse (2000011101121), we get a palindrome (3211022201123).

The spelling of 1211011100002 in words is "one trillion, two hundred eleven billion, eleven million, one hundred thousand, two".