101221122110222 has 4 divisors (see below), whose sum is σ = 151831683165336. Its totient is φ = 50610561055110.

The previous prime is 101221122110137. The next prime is 101221122110239. The reversal of 101221122110222 is 222011221122101.

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

It is a super-2 number, since 2×101221122110222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101221122110194 and 101221122110203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25305280527554 + ... + 25305280527557.

It is an arithmetic number, because the mean of its divisors is an integer number (37957920791334).

Almost surely, 2^{101221122110222} is an apocalyptic number.

101221122110222 is a deficient number, since it is larger than the sum of its proper divisors (50610561055114).

101221122110222 is an equidigital number, since it uses as much as digits as its factorization.

101221122110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50610561055113.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 101221122110222 its reverse (222011221122101), we get a palindrome (323232343232323).

The spelling of 101221122110222 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred twenty-two million, one hundred ten thousand, two hundred twenty-two".