22101220022087 has 2 divisors, whose sum is σ = 22101220022088. Its totient is φ = 22101220022086.

The previous prime is 22101220022083. The next prime is 22101220022159. The reversal of 22101220022087 is 78022002210122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22101220022087 - 2² = 22101220022083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22101220022081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050610011043 + 11050610011044.

It is an arithmetic number, because the mean of its divisors is an integer number (11050610011044).

Almost surely, 2^{22101220022087} is an apocalyptic number.

22101220022087 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101220022087 is an equidigital number, since it uses as much as digits as its factorization.

22101220022087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 29.

The spelling of 22101220022087 in words is "twenty-two trillion, one hundred one billion, two hundred twenty million, twenty-two thousand, eighty-seven".