2111230311212 has 24 divisors (see below), whose sum is σ = 4035744799632. Its totient is φ = 958408664000.

The previous prime is 2111230311209. The next prime is 2111230311227. The reversal of 2111230311212 is 2121130321112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31002539 + ... + 31070562.

It is an arithmetic number, because the mean of its divisors is an integer number (168156033318).

Almost surely, 2^{2111230311212} is an apocalyptic number.

2111230311212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2111230311212 is a deficient number, since it is larger than the sum of its proper divisors (1924514488420).

2111230311212 is a wasteful number, since it uses less digits than its factorization.

2111230311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62073889 (or 62073887 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2111230311212 its reverse (2121130321112), we get a palindrome (4232360632324).

The spelling of 2111230311212 in words is "two trillion, one hundred eleven billion, two hundred thirty million, three hundred eleven thousand, two hundred twelve".