101210222122 has 4 divisors (see below), whose sum is σ = 151815333186. Its totient is φ = 50605111060.

The previous prime is 101210222101. The next prime is 101210222147. The reversal of 101210222122 is 221222012101.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 97056548521 + 4153673601 = 311539^2 + 64449^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101210222096 and 101210222105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25302555529 + ... + 25302555532.

Almost surely, 2^101210222122 is an apocalyptic number.

101210222122 is a deficient number, since it is larger than the sum of its proper divisors (50605111064).

101210222122 is an equidigital number, since it uses as much as digits as its factorization.

101210222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50605111063.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101210222122 its reverse (221222012101), we get a palindrome (322432234223).

The spelling of 101210222122 in words is "one hundred one billion, two hundred ten million, two hundred twenty-two thousand, one hundred twenty-two".