2111001212200 has 96 divisors (see below), whose sum is σ = 5171196700800. Its totient is φ = 799845615360.

The previous prime is 2111001212191. The next prime is 2111001212209. The reversal of 2111001212200 is 22121001112.

It is an interprime number because it is at equal distance from previous prime (2111001212191) and next prime (2111001212209).

It is a super-2 number, since 2×2111001212200² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2111001212209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1753935 + ... + 2701534.

It is an arithmetic number, because the mean of its divisors is an integer number (53866632300).

Almost surely, 2^{2111001212200} is an apocalyptic number.

2111001212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111001212200 is an abundant number, since it is smaller than the sum of its proper divisors (3060195488600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111001212200 is a wasteful number, since it uses less digits than its factorization.

2111001212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455611 (or 4455602 counting only the distinct ones).

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

Adding to 2111001212200 its reverse (22121001112), we get a palindrome (2133122213312).

The spelling of 2111001212200 in words is "two trillion, one hundred eleven billion, one million, two hundred twelve thousand, two hundred".