223101021002 has 4 divisors (see below), whose sum is σ = 334651531506. Its totient is φ = 111550510500.

The previous prime is 223101020977. The next prime is 223101021023. The reversal of 223101021002 is 200120101322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 218733000721 + 4368020281 = 467689^2 + 66091^2 .

It is a super-3 number, since 3×223101021002³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55775255249 + ... + 55775255252.

Almost surely, 2^223101021002 is an apocalyptic number.

223101021002 is a deficient number, since it is larger than the sum of its proper divisors (111550510504).

223101021002 is a wasteful number, since it uses less digits than its factorization.

223101021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111550510503.

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

Adding to 223101021002 its reverse (200120101322), we get a palindrome (423221122324).

The spelling of 223101021002 in words is "two hundred twenty-three billion, one hundred one million, twenty-one thousand, two".