102010210200021 has 8 divisors (see below), whose sum is σ = 136352799670464. Its totient is φ = 67837213764800.

The previous prime is 102010210199977. The next prime is 102010210200023. The reversal of 102010210200021 is 120002012010201.

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 102010210200021 - 2³³ = 102001620265429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010210200023) 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, 42398257401 + ... + 42398259806.

It is an arithmetic number, because the mean of its divisors is an integer number (17044099958808).

Almost surely, 2^{102010210200021} is an apocalyptic number.

It is an amenable number.

102010210200021 is a deficient number, since it is larger than the sum of its proper divisors (34342589470443).

102010210200021 is an equidigital number, since it uses as much as digits as its factorization.

102010210200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84796517611.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102010210200021 its reverse (120002012010201), we get a palindrome (222012222210222).

The spelling of 102010210200021 in words is "one hundred two trillion, ten billion, two hundred ten million, two hundred thousand, twenty-one".