101154015222 has 64 divisors (see below), whose sum is σ = 230710878720. Its totient is φ = 29309554944.

The previous prime is 101154015199. The next prime is 101154015227. The reversal of 101154015222 is 222510451101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101154015192 and 101154015201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101154015227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43138 + ... + 451850.

It is an arithmetic number, because the mean of its divisors is an integer number (3604857480).

Almost surely, 2^101154015222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101154015222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115355439360).

101154015222 is an abundant number, since it is smaller than the sum of its proper divisors (129556863498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101154015222 is a wasteful number, since it uses less digits than its factorization.

101154015222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408917.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 101154015222 its reverse (222510451101), we get a palindrome (323664466323).

The spelling of 101154015222 in words is "one hundred one billion, one hundred fifty-four million, fifteen thousand, two hundred twenty-two".