2220100100002 has 4 divisors (see below), whose sum is σ = 3330150150006. Its totient is φ = 1110050050000.

The previous prime is 2220100099991. The next prime is 2220100100017. The reversal of 2220100100002 is 2000010010222.

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., 1554457874841 + 665642225161 = 1246779^2 + 815869^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555025024999 + ... + 555025025002.

Almost surely, 2^{2220100100002} is an apocalyptic number.

2220100100002 is a deficient number, since it is larger than the sum of its proper divisors (1110050050004).

2220100100002 is a wasteful number, since it uses less digits than its factorization.

2220100100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110050050003.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2220100100002 its reverse (2000010010222), we get a palindrome (4220110110224).

The spelling of 2220100100002 in words is "two trillion, two hundred twenty billion, one hundred million, one hundred thousand, two".