911212101122 has 16 divisors (see below), whose sum is σ = 1438863044640. Its totient is φ = 431594656128.

The previous prime is 911212101101. The next prime is 911212101133. The reversal of 911212101122 is 221101212119.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371288 + ... + 1400099.

It is an arithmetic number, because the mean of its divisors is an integer number (89928940290).

Almost surely, 2^911212101122 is an apocalyptic number.

911212101122 is a deficient number, since it is larger than the sum of its proper divisors (527650943518).

911212101122 is a wasteful number, since it uses less digits than its factorization.

911212101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784945.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 911212101122 in words is "nine hundred eleven billion, two hundred twelve million, one hundred one thousand, one hundred twenty-two".