222220020002001 has 64 divisors (see below), whose sum is σ = 361874549870592. Its totient is φ = 118534272417792.

The previous prime is 222220020001927. The next prime is 222220020002021. The reversal of 222220020002001 is 100200020022222.

It is not a de Polignac number, because 222220020002001 - 2⁹ = 222220020001489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222220020002021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19306761 + ... + 28586553.

It is an arithmetic number, because the mean of its divisors is an integer number (5654289841728).

Almost surely, 2^{222220020002001} is an apocalyptic number.

222220020002001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222220020002001 is a deficient number, since it is larger than the sum of its proper divisors (139654529868591).

222220020002001 is a wasteful number, since it uses less digits than its factorization.

222220020002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9281022.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 222220020002001 its reverse (100200020022222), we get a palindrome (322420040024223).

The spelling of 222220020002001 in words is "two hundred twenty-two trillion, two hundred twenty billion, twenty million, two thousand, one".