10221210020102 has 4 divisors (see below), whose sum is σ = 15331815030156. Its totient is φ = 5110605010050.

The previous prime is 10221210020081. The next prime is 10221210020113. The reversal of 10221210020102 is 20102001212201.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555302505024 + ... + 2555302505027.

It is an arithmetic number, because the mean of its divisors is an integer number (3832953757539).

Almost surely, 2^{10221210020102} is an apocalyptic number.

10221210020102 is a deficient number, since it is larger than the sum of its proper divisors (5110605010054).

10221210020102 is an equidigital number, since it uses as much as digits as its factorization.

10221210020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110605010053.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10221210020102 its reverse (20102001212201), we get a palindrome (30323211232303).

The spelling of 10221210020102 in words is "ten trillion, two hundred twenty-one billion, two hundred ten million, twenty thousand, one hundred two".