101022221222 has 16 divisors (see below), whose sum is σ = 163202015760. Its totient is φ = 46622133792.

The previous prime is 101022221213. The next prime is 101022221227. The reversal of 101022221222 is 222122220101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 101022221222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101022221227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223904 + ... + 502172.

It is an arithmetic number, because the mean of its divisors is an integer number (10200125985).

Almost surely, 2^101022221222 is an apocalyptic number.

101022221222 is a deficient number, since it is larger than the sum of its proper divisors (62179794538).

101022221222 is a wasteful number, since it uses less digits than its factorization.

101022221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292247.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 101022221222 its reverse (222122220101), we get a palindrome (323144441323).

The spelling of 101022221222 in words is "one hundred one billion, twenty-two million, two hundred twenty-one thousand, two hundred twenty-two".