101212222001222 has 4 divisors (see below), whose sum is σ = 151818333001836. Its totient is φ = 50606111000610.

The previous prime is 101212222001221. The next prime is 101212222001287. The reversal of 101212222001222 is 222100222212101.

101212222001222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 101212222001194 and 101212222001203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212222001221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25303055500304 + ... + 25303055500307.

It is an arithmetic number, because the mean of its divisors is an integer number (37954583250459).

Almost surely, 2^{101212222001222} is an apocalyptic number.

101212222001222 is a deficient number, since it is larger than the sum of its proper divisors (50606111000614).

101212222001222 is an equidigital number, since it uses as much as digits as its factorization.

101212222001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50606111000613.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 101212222001222 its reverse (222100222212101), we get a palindrome (323312444213323).

The spelling of 101212222001222 in words is "one hundred one trillion, two hundred twelve billion, two hundred twenty-two million, one thousand, two hundred twenty-two".