1011220100002 has 12 divisors (see below), whose sum is σ = 1764475888950. Its totient is φ = 433380042816.

The previous prime is 1011220099997. The next prime is 1011220100003. The reversal of 1011220100002 is 2000010221101.

It can be written as a sum of positive squares in only one way, i.e., 995048145441 + 16171954561 = 997521^2 + 127169^2 .

It is a super-3 number, since 3×1011220100002³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011220100003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5159286127 + ... + 5159286322.

Almost surely, 2^{1011220100002} is an apocalyptic number.

1011220100002 is a deficient number, since it is larger than the sum of its proper divisors (753255788948).

1011220100002 is a wasteful number, since it uses less digits than its factorization.

1011220100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10318572465 (or 10318572458 counting only the distinct ones).

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

Adding to 1011220100002 its reverse (2000010221101), we get a palindrome (3011230321103).

The spelling of 1011220100002 in words is "one trillion, eleven billion, two hundred twenty million, one hundred thousand, two".