222101221211984 has 40 divisors (see below), whose sum is σ = 467948558703528. Its totient is φ = 101693404938240.

The previous prime is 222101221211981. The next prime is 222101221212037. The reversal of 222101221211984 is 489112122101222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 124225023514384 + 97876197697600 = 11145628^2 + 9893240^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101221211981) 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, 11034430577 + ... + 11034450704.

Almost surely, 2^{222101221211984} is an apocalyptic number.

It is an amenable number.

222101221211984 is an abundant number, since it is smaller than the sum of its proper divisors (245847337491544).

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

222101221211984 is a wasteful number, since it uses less digits than its factorization.

222101221211984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22068881343 (or 22068881337 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The spelling of 222101221211984 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred twenty-one million, two hundred eleven thousand, nine hundred eighty-four".