11211110120002 has 32 divisors (see below), whose sum is σ = 18735438037680. Its totient is φ = 4995747912960.

The previous prime is 11211110119999. The next prime is 11211110120069. The reversal of 11211110120002 is 20002101111211.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 145434686881 + 11065675433121 = 381359^2 + 3326511^2 .

It is a super-2 number, since 2×11211110120002² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

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 15 ways as a sum of consecutive naturals, for example, 21283852 + ... + 21804232.

Almost surely, 2^{11211110120002} is an apocalyptic number.

11211110120002 is a deficient number, since it is larger than the sum of its proper divisors (7524327917678).

11211110120002 is a wasteful number, since it uses less digits than its factorization.

11211110120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548998.

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

Adding to 11211110120002 its reverse (20002101111211), we get a palindrome (31213211231213).

The spelling of 11211110120002 in words is "eleven trillion, two hundred eleven billion, one hundred ten million, one hundred twenty thousand, two".