220211012111001 has 24 divisors (see below), whose sum is σ = 303328237320864. Its totient is φ = 142099473484800.

The previous prime is 220211012110979. The next prime is 220211012111003. The reversal of 220211012111001 is 100111210112022.

It is a happy number.

220211012111001 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220211012111001 - 2⁶ = 220211012110937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220211012111003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138115275 + ... + 139700576.

It is an arithmetic number, because the mean of its divisors is an integer number (12638676555036).

Almost surely, 2^{220211012111001} is an apocalyptic number.

It is an amenable number.

220211012111001 is a deficient number, since it is larger than the sum of its proper divisors (83117225209863).

220211012111001 is a wasteful number, since it uses less digits than its factorization.

220211012111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277816121 (or 277816084 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 220211012111001 its reverse (100111210112022), we get a palindrome (320322222223023).

The spelling of 220211012111001 in words is "two hundred twenty trillion, two hundred eleven billion, twelve million, one hundred eleven thousand, one".