102213202021 has 8 divisors (see below), whose sum is σ = 117329693760. Its totient is φ = 87225361728.

The previous prime is 102213201997. The next prime is 102213202037. The reversal of 102213202021 is 120202312201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102213202021 - 2¹¹ = 102213199973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102213201986 and 102213202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102213202061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32161156 + ... + 32164333.

It is an arithmetic number, because the mean of its divisors is an integer number (14666211720).

Almost surely, 2^102213202021 is an apocalyptic number.

It is an amenable number.

102213202021 is a deficient number, since it is larger than the sum of its proper divisors (15116491739).

102213202021 is an equidigital number, since it uses as much as digits as its factorization.

102213202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64325723.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102213202021 its reverse (120202312201), we get a palindrome (222415514222).

The spelling of 102213202021 in words is "one hundred two billion, two hundred thirteen million, two hundred two thousand, twenty-one".