102223120221021 has 16 divisors (see below), whose sum is σ = 143821830910400. Its totient is φ = 64404117422208.

The previous prime is 102223120221007. The next prime is 102223120221023. The reversal of 102223120221021 is 120122021322201.

It is not a de Polignac number, because 102223120221021 - 2¹⁴ = 102223120204637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102223120221023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2192382646 + ... + 2192429271.

It is an arithmetic number, because the mean of its divisors is an integer number (8988864431900).

Almost surely, 2^{102223120221021} is an apocalyptic number.

It is an amenable number.

102223120221021 is a deficient number, since it is larger than the sum of its proper divisors (41598710689379).

102223120221021 is a wasteful number, since it uses less digits than its factorization.

102223120221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384812348.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 102223120221021 its reverse (120122021322201), we get a palindrome (222345141543222).

The spelling of 102223120221021 in words is "one hundred two trillion, two hundred twenty-three billion, one hundred twenty million, two hundred twenty-one thousand, twenty-one".