101212221222022 has 4 divisors (see below), whose sum is σ = 151818331833036. Its totient is φ = 50606110611010.

The previous prime is 101212221221983. The next prime is 101212221222023. The reversal of 101212221222022 is 220222122212101.

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

It is a super-2 number, since 2×101212221222022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101212221221984 and 101212221222002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212221222023) 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 as a sum of consecutive naturals, namely, 25303055305504 + ... + 25303055305507.

It is an arithmetic number, because the mean of its divisors is an integer number (37954582958259).

Almost surely, 2^{101212221222022} is an apocalyptic number.

101212221222022 is a deficient number, since it is larger than the sum of its proper divisors (50606110611014).

101212221222022 is an equidigital number, since it uses as much as digits as its factorization.

101212221222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50606110611013.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 101212221222022 its reverse (220222122212101), we get a palindrome (321434343434123).

The spelling of 101212221222022 in words is "one hundred one trillion, two hundred twelve billion, two hundred twenty-one million, two hundred twenty-two thousand, twenty-two".