220101212087 has 2 divisors, whose sum is σ = 220101212088. Its totient is φ = 220101212086.

The previous prime is 220101212063. The next prime is 220101212119. The reversal of 220101212087 is 780212101022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220101212087 - 2¹⁰ = 220101211063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220101212047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110050606043 + 110050606044.

It is an arithmetic number, because the mean of its divisors is an integer number (110050606044).

Almost surely, 2^220101212087 is an apocalyptic number.

220101212087 is a deficient number, since it is larger than the sum of its proper divisors (1).

220101212087 is an equidigital number, since it uses as much as digits as its factorization.

220101212087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

The spelling of 220101212087 in words is "two hundred twenty billion, one hundred one million, two hundred twelve thousand, eighty-seven".