1212211101122 has 32 divisors (see below), whose sum is σ = 2108160069120. Its totient is φ = 512021689920.

The previous prime is 1212211101119. The next prime is 1212211101133. The reversal of 1212211101122 is 2211011122121.

It is a self number, because there is not a number n which added to its sum of digits gives 1212211101122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367829 + ... + 1599912.

It is an arithmetic number, because the mean of its divisors is an integer number (65880002160).

Almost surely, 2^{1212211101122} is an apocalyptic number.

1212211101122 is a deficient number, since it is larger than the sum of its proper divisors (895948967998).

1212211101122 is a wasteful number, since it uses less digits than its factorization.

1212211101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968386.

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

Adding to 1212211101122 its reverse (2211011122121), we get a palindrome (3423222223243).

The spelling of 1212211101122 in words is "one trillion, two hundred twelve billion, two hundred eleven million, one hundred one thousand, one hundred twenty-two".