2211020110987 has 8 divisors (see below), whose sum is σ = 2228387133632. Its totient is φ = 2193720796800.

The previous prime is 2211020110963. The next prime is 2211020110991. The reversal of 2211020110987 is 7890110201122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211020110987 is a prime.

It is a super-2 number, since 2×2211020110987² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211020110087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16861548 + ... + 16992169.

It is an arithmetic number, because the mean of its divisors is an integer number (278548391704).

Almost surely, 2^{2211020110987} is an apocalyptic number.

2211020110987 is a deficient number, since it is larger than the sum of its proper divisors (17367022645).

2211020110987 is a wasteful number, since it uses less digits than its factorization.

2211020110987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33854229.

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 2211020110987 in words is "two trillion, two hundred eleven billion, twenty million, one hundred ten thousand, nine hundred eighty-seven".