2221123020010 has 16 divisors (see below), whose sum is σ = 4004832386016. Its totient is φ = 886935663568.

The previous prime is 2221123019993. The next prime is 2221123020013. The reversal of 2221123020010 is 100203211222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2221123020013) 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, 189186892 + ... + 189198631.

It is an arithmetic number, because the mean of its divisors is an integer number (250302024126).

Almost surely, 2^{2221123020010} is an apocalyptic number.

2221123020010 is a deficient number, since it is larger than the sum of its proper divisors (1783709366006).

2221123020010 is a wasteful number, since it uses less digits than its factorization.

2221123020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378386117.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2221123020010 its reverse (100203211222), we get a palindrome (2321326231232).

The spelling of 2221123020010 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-three million, twenty thousand, ten".