2223121010 has 32 divisors (see below), whose sum is σ = 4370846400. Its totient is φ = 807399360.

The previous prime is 2223121001. The next prime is 2223121013. The reversal of 2223121010 is 101213222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2223121013) 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, 79001 + ... + 103379.

It is an arithmetic number, because the mean of its divisors is an integer number (136588950).

Almost surely, 2^2223121010 is an apocalyptic number.

2223121010 is a deficient number, since it is larger than the sum of its proper divisors (2147725390).

2223121010 is a wasteful number, since it uses less digits than its factorization.

2223121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25226.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2223121010 is about 47149.9841993611. The cubic root of 2223121010 is about 1305.1317884355.

Adding to 2223121010 its reverse (101213222), we get a palindrome (2324334232).

It can be divided in two parts, 222312 and 1010, that added together give a palindrome (223322).

The spelling of 2223121010 in words is "two billion, two hundred twenty-three million, one hundred twenty-one thousand, ten".