2111021001212 has 24 divisors (see below), whose sum is σ = 3944955826560. Its totient is φ = 986238953280.

The previous prime is 2111021001203. The next prime is 2111021001217. The reversal of 2111021001212 is 2121001201112.

It is a super-2 number, since 2×2111021001212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111021001217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293519903 + ... + 293527094.

It is an arithmetic number, because the mean of its divisors is an integer number (164373159440).

Almost surely, 2^{2111021001212} is an apocalyptic number.

It is an amenable number.

2111021001212 is a deficient number, since it is larger than the sum of its proper divisors (1833934825348).

2111021001212 is a wasteful number, since it uses less digits than its factorization.

2111021001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587047061 (or 587047059 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2111021001212 its reverse (2121001201112), we get a palindrome (4232022202324).

The spelling of 2111021001212 in words is "two trillion, one hundred eleven billion, twenty-one million, one thousand, two hundred twelve".