222111020002 has 8 divisors (see below), whose sum is σ = 333223980012. Its totient is φ = 111036360000.

The previous prime is 222111019969. The next prime is 222111020009. The reversal of 222111020002 is 200020111222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 149265549801 + 72845470201 = 386349^2 + 269899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (222111020009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9560499 + ... + 9583702.

Almost surely, 2^222111020002 is an apocalyptic number.

222111020002 is a deficient number, since it is larger than the sum of its proper divisors (111112960010).

222111020002 is a wasteful number, since it uses less digits than its factorization.

222111020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19150004.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222111020002 its reverse (200020111222), we get a palindrome (422131131224).

The spelling of 222111020002 in words is "two hundred twenty-two billion, one hundred eleven million, twenty thousand, two".