1220100210988 has 12 divisors (see below), whose sum is σ = 2135223910960. Its totient is φ = 610036236432.

The previous prime is 1220100210977. The next prime is 1220100211019. The reversal of 1220100210988 is 8890120010221.

It is a super-2 number, since 2×1220100210988² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3268056 + ... + 3622207.

Almost surely, 2^{1220100210988} is an apocalyptic number.

It is an amenable number.

1220100210988 is a deficient number, since it is larger than the sum of its proper divisors (915123699972).

1220100210988 is a wasteful number, since it uses less digits than its factorization.

1220100210988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6934536 (or 6934534 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The spelling of 1220100210988 in words is "one trillion, two hundred twenty billion, one hundred million, two hundred ten thousand, nine hundred eighty-eight".