2211021100012 has 12 divisors (see below), whose sum is σ = 3912762059640. Its totient is φ = 1093089082976.

The previous prime is 2211021099997. The next prime is 2211021100027. The reversal of 2211021100012 is 2100011201122.

It is an interprime number because it is at equal distance from previous prime (2211021099997) and next prime (2211021100027).

It is a super-2 number, since 2×2211021100012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2211021099965 and 2211021100001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3105366358 + ... + 3105367069.

It is an arithmetic number, because the mean of its divisors is an integer number (326063504970).

Almost surely, 2^{2211021100012} is an apocalyptic number.

It is an amenable number.

2211021100012 is a deficient number, since it is larger than the sum of its proper divisors (1701740959628).

2211021100012 is a wasteful number, since it uses less digits than its factorization.

2211021100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6210733520 (or 6210733518 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2211021100012 its reverse (2100011201122), we get a palindrome (4311032301134).

The spelling of 2211021100012 in words is "two trillion, two hundred eleven billion, twenty-one million, one hundred thousand, twelve".