101022221122 has 4 divisors (see below), whose sum is σ = 151533331686. Its totient is φ = 50511110560.

The previous prime is 101022221119. The next prime is 101022221161. The reversal of 101022221122 is 221122220101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221122220101 = 59 ⋅3747834239.

It can be written as a sum of positive squares in only one way, i.e., 81298546641 + 19723674481 = 285129^2 + 140441^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101022221096 and 101022221105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25255555279 + ... + 25255555282.

Almost surely, 2^101022221122 is an apocalyptic number.

101022221122 is a deficient number, since it is larger than the sum of its proper divisors (50511110564).

101022221122 is an equidigital number, since it uses as much as digits as its factorization.

101022221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50511110563.

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

Adding to 101022221122 its reverse (221122220101), we get a palindrome (322144441223).

The spelling of 101022221122 in words is "one hundred one billion, twenty-two million, two hundred twenty-one thousand, one hundred twenty-two".