101211022222 has 4 divisors (see below), whose sum is σ = 151816533336. Its totient is φ = 50605511110.

The previous prime is 101211022217. The next prime is 101211022223. The reversal of 101211022222 is 222220112101.

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: 222220112101 = 13 ⋅17093854777.

It is a junction number, because it is equal to n+sod(n) for n = 101211022196 and 101211022205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101211022223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25302755554 + ... + 25302755557.

It is an arithmetic number, because the mean of its divisors is an integer number (37954133334).

Almost surely, 2^101211022222 is an apocalyptic number.

101211022222 is a deficient number, since it is larger than the sum of its proper divisors (50605511114).

101211022222 is an equidigital number, since it uses as much as digits as its factorization.

101211022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50605511113.

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

Adding to 101211022222 its reverse (222220112101), we get a palindrome (323431134323).

The spelling of 101211022222 in words is "one hundred one billion, two hundred eleven million, twenty-two thousand, two hundred twenty-two".