201220100021002 has 8 divisors (see below), whose sum is σ = 301942647300096. Its totient is φ = 100572550920972.

The previous prime is 201220100020993. The next prime is 201220100021009. The reversal of 201220100021002 is 200120001022102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (201220100021009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18749538058 + ... + 18749548789.

It is an arithmetic number, because the mean of its divisors is an integer number (37742830912512).

Almost surely, 2^{201220100021002} is an apocalyptic number.

201220100021002 is a deficient number, since it is larger than the sum of its proper divisors (100722547279094).

201220100021002 is a wasteful number, since it uses less digits than its factorization.

201220100021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37499089532.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201220100021002 its reverse (200120001022102), we get a palindrome (401340101043104).

The spelling of 201220100021002 in words is "two hundred one trillion, two hundred twenty billion, one hundred million, twenty-one thousand, two".