2210101211987 has 4 divisors (see below), whose sum is σ = 2210553272760. Its totient is φ = 2209649151216.

The previous prime is 2210101211977. The next prime is 2210101212013. The reversal of 2210101211987 is 7891121010122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2210101211987 - 2¹⁰ = 2210101210963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2210101211977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226023053 + ... + 226032830.

It is an arithmetic number, because the mean of its divisors is an integer number (552638318190).

Almost surely, 2^{2210101211987} is an apocalyptic number.

2210101211987 is a deficient number, since it is larger than the sum of its proper divisors (452060773).

2210101211987 is an equidigital number, since it uses as much as digits as its factorization.

2210101211987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452060772.

The product of its (nonzero) digits is 4032, while the sum is 35.

The spelling of 2210101211987 in words is "two trillion, two hundred ten billion, one hundred one million, two hundred eleven thousand, nine hundred eighty-seven".