10101122212011 has 4 divisors (see below), whose sum is σ = 13468162949352. Its totient is φ = 6734081474672.

The previous prime is 10101122212009. The next prime is 10101122212057. The reversal of 10101122212011 is 11021222110101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10101122212011 - 2¹ = 10101122212009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10101122212091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683520368666 + ... + 1683520368671.

It is an arithmetic number, because the mean of its divisors is an integer number (3367040737338).

Almost surely, 2^{10101122212011} is an apocalyptic number.

10101122212011 is a deficient number, since it is larger than the sum of its proper divisors (3367040737341).

10101122212011 is an equidigital number, since it uses as much as digits as its factorization.

10101122212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367040737340.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10101122212011 its reverse (11021222110101), we get a palindrome (21122344322112).

The spelling of 10101122212011 in words is "ten trillion, one hundred one billion, one hundred twenty-two million, two hundred twelve thousand, eleven".