1220100110002 has 16 divisors (see below), whose sum is σ = 1937829263832. Its totient is φ = 574157881600.

The previous prime is 1220100109999. The next prime is 1220100110017. The reversal of 1220100110002 is 2000110010221.

It can be written as a sum of positive squares in 4 ways, for example, as 1070291633401 + 149808476601 = 1034549^2 + 387051^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3699252 + ... + 4015552.

Almost surely, 2^{1220100110002} is an apocalyptic number.

1220100110002 is a deficient number, since it is larger than the sum of its proper divisors (717729153830).

1220100110002 is a wasteful number, since it uses less digits than its factorization.

1220100110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429773.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1220100110002 its reverse (2000110010221), we get a palindrome (3220210120223).

The spelling of 1220100110002 in words is "one trillion, two hundred twenty billion, one hundred million, one hundred ten thousand, two".