101210222121111 has 12 divisors (see below), whose sum is σ = 146416421392488. Its totient is φ = 67370152954704.

The previous prime is 101210222121079. The next prime is 101210222121119. The reversal of 101210222121111 is 111121222012101.

It is a happy number.

101210222121111 is a `hidden beast` number, since 1 + 0 + 1 + 210 + 222 + 121 + 111 = 666.

It is not a de Polignac number, because 101210222121111 - 2⁵ = 101210222121079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210222121119) 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 11 ways as a sum of consecutive naturals, for example, 8610698745 + ... + 8610710498.

It is an arithmetic number, because the mean of its divisors is an integer number (12201368449374).

Almost surely, 2^{101210222121111} is an apocalyptic number.

101210222121111 is a deficient number, since it is larger than the sum of its proper divisors (45206199271377).

101210222121111 is a wasteful number, since it uses less digits than its factorization.

101210222121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17221409902 (or 17221409899 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 101210222121111 its reverse (111121222012101), we get a palindrome (212331444133212).

The spelling of 101210222121111 in words is "one hundred one trillion, two hundred ten billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred eleven".