222021020202112 has 128 divisors (see below), whose sum is σ = 455686818048000. Its totient is φ = 107688028815360.

The previous prime is 222021020202103. The next prime is 222021020202131. The reversal of 222021020202112 is 211202020120222.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 222021020202112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12479391937 + ... + 12479409727.

It is an arithmetic number, because the mean of its divisors is an integer number (3560053266000).

Almost surely, 2^{222021020202112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222021020202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227843409024000).

222021020202112 is an abundant number, since it is smaller than the sum of its proper divisors (233665797845888).

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

222021020202112 is a wasteful number, since it uses less digits than its factorization.

222021020202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33214 (or 33202 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222021020202112 its reverse (211202020120222), we get a palindrome (433223040322334).

The spelling of 222021020202112 in words is "two hundred twenty-two trillion, twenty-one billion, twenty million, two hundred two thousand, one hundred twelve".