101212022120111 has 6 divisors (see below), whose sum is σ = 117736433894880. Its totient is φ = 86753161817196.

The previous prime is 101212022120101. The next prime is 101212022120117. The reversal of 101212022120111 is 111021220212101.

It is a de Polignac number, because none of the positive numbers 2^k-101212022120111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101212022120111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212022120117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1032775735871 + ... + 1032775735968.

It is an arithmetic number, because the mean of its divisors is an integer number (19622738982480).

Almost surely, 2^{101212022120111} is an apocalyptic number.

101212022120111 is a deficient number, since it is larger than the sum of its proper divisors (16524411774769).

101212022120111 is an equidigital number, since it uses as much as digits as its factorization.

101212022120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065551471853 (or 2065551471846 counting only the distinct ones).

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

Adding to 101212022120111 its reverse (111021220212101), we get a palindrome (212233242332212).

The spelling of 101212022120111 in words is "one hundred one trillion, two hundred twelve billion, twenty-two million, one hundred twenty thousand, one hundred eleven".