222121010002 has 32 divisors (see below), whose sum is σ = 336738809088. Its totient is φ = 109882125696.

The previous prime is 222121009973. The next prime is 222121010003. The reversal of 222121010002 is 200010121222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (222121010003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140315703 + ... + 140317285.

It is an arithmetic number, because the mean of its divisors is an integer number (10523087784).

Almost surely, 2^222121010002 is an apocalyptic number.

222121010002 is a deficient number, since it is larger than the sum of its proper divisors (114617799086).

222121010002 is a wasteful number, since it uses less digits than its factorization.

222121010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474.

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

Adding to 222121010002 its reverse (200010121222), we get a palindrome (422131131224).

The spelling of 222121010002 in words is "two hundred twenty-two billion, one hundred twenty-one million, ten thousand, two".