1211102112212 has 24 divisors (see below), whose sum is σ = 2139212512416. Its totient is φ = 599923276128.

The previous prime is 1211102112163. The next prime is 1211102112221. The reversal of 1211102112212 is 2122112011121.

It is a congruent number.

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, 2896298 + ... + 3287969.

It is an arithmetic number, because the mean of its divisors is an integer number (89133854684).

Almost surely, 2^{1211102112212} is an apocalyptic number.

It is an amenable number.

1211102112212 is a deficient number, since it is larger than the sum of its proper divisors (928110400204).

1211102112212 is a wasteful number, since it uses less digits than its factorization.

1211102112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184727 (or 6184725 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1211102112212 its reverse (2122112011121), we get a palindrome (3333214123333).

It can be divided in two parts, 121110 and 2112212, that added together give a palindrome (2233322).

The spelling of 1211102112212 in words is "one trillion, two hundred eleven billion, one hundred two million, one hundred twelve thousand, two hundred twelve".