2222121101064 has 32 divisors (see below), whose sum is σ = 5569583760000. Its totient is φ = 738802899392.

The previous prime is 2222121101063. The next prime is 2222121101129. The reversal of 2222121101064 is 4601011212222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2222121101063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118998864 + ... + 119017535.

It is an arithmetic number, because the mean of its divisors is an integer number (174049492500).

Almost surely, 2^{2222121101064} is an apocalyptic number.

2222121101064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2222121101064 is an abundant number, since it is smaller than the sum of its proper divisors (3347462658936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222121101064 is a wasteful number, since it uses less digits than its factorization.

2222121101064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238016797 (or 238016793 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 2222121101064 its reverse (4601011212222), we get a palindrome (6823132313286).

The spelling of 2222121101064 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred one thousand, sixty-four".