222001020122 has 16 divisors (see below), whose sum is σ = 381651296832. Its totient is φ = 94873764480.

The previous prime is 222001020119. The next prime is 222001020169. The reversal of 222001020122 is 221020100222.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 222001020097 and 222001020106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22455704 + ... + 22465587.

It is an arithmetic number, because the mean of its divisors is an integer number (23853206052).

Almost surely, 2^222001020122 is an apocalyptic number.

222001020122 is a deficient number, since it is larger than the sum of its proper divisors (159650276710).

222001020122 is a wasteful number, since it uses less digits than its factorization.

222001020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44921653.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222001020122 its reverse (221020100222), we get a palindrome (443021120344).

The spelling of 222001020122 in words is "two hundred twenty-two billion, one million, twenty thousand, one hundred twenty-two".