222111020001 has 16 divisors (see below), whose sum is σ = 325714362624. Its totient is φ = 133775539584.

The previous prime is 222111019969. The next prime is 222111020009. The reversal of 222111020001 is 100020111222.

It is not a de Polignac number, because 222111020001 - 2⁵ = 222111019969 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 60584916 + ... + 60588581.

It is an arithmetic number, because the mean of its divisors is an integer number (20357147664).

Almost surely, 2^222111020001 is an apocalyptic number.

It is an amenable number.

222111020001 is a deficient number, since it is larger than the sum of its proper divisors (103603342623).

222111020001 is a wasteful number, since it uses less digits than its factorization.

222111020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121173560.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 222111020001 its reverse (100020111222), we get a palindrome (322131131223).

The spelling of 222111020001 in words is "two hundred twenty-two billion, one hundred eleven million, twenty thousand, one".