220001022101002 has 8 divisors (see below), whose sum is σ = 330001629016356. Its totient is φ = 110000479095552.

The previous prime is 220001022100999. The next prime is 220001022101027. The reversal of 220001022101002 is 200101220100022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 214420934048161 + 5580088052841 = 14643119^2 + 2362221^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6166743 + ... + 21863914.

Almost surely, 2^{220001022101002} is an apocalyptic number.

220001022101002 is a deficient number, since it is larger than the sum of its proper divisors (110000606915354).

220001022101002 is a wasteful number, since it uses less digits than its factorization.

220001022101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31954952.

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

Adding to 220001022101002 its reverse (200101220100022), we get a palindrome (420102242201024).

The spelling of 220001022101002 in words is "two hundred twenty trillion, one billion, twenty-two million, one hundred one thousand, two".