111022021220087 has 2 divisors, whose sum is σ = 111022021220088. Its totient is φ = 111022021220086.

The previous prime is 111022021220069. The next prime is 111022021220207. The reversal of 111022021220087 is 780022120220111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111022021220087 - 2²² = 111022017025783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111022021220287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55511010610043 + 55511010610044.

It is an arithmetic number, because the mean of its divisors is an integer number (55511010610044).

Almost surely, 2^{111022021220087} is an apocalyptic number.

111022021220087 is a deficient number, since it is larger than the sum of its proper divisors (1).

111022021220087 is an equidigital number, since it uses as much as digits as its factorization.

111022021220087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 29.

Adding to 111022021220087 its reverse (780022120220111), we get a palindrome (891044141440198).

The spelling of 111022021220087 in words is "one hundred eleven trillion, twenty-two billion, twenty-one million, two hundred twenty thousand, eighty-seven".