10021220102 has 8 divisors (see below), whose sum is σ = 15121841616. Its totient is φ = 4980606232.

The previous prime is 10021220093. The next prime is 10021220107. The reversal of 10021220102 is 20102212001.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021220107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15001493 + ... + 15002160.

It is an arithmetic number, because the mean of its divisors is an integer number (1890230202).

Almost surely, 2^10021220102 is an apocalyptic number.

10021220102 is a deficient number, since it is larger than the sum of its proper divisors (5100621514).

10021220102 is a wasteful number, since it uses less digits than its factorization.

10021220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30003822.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10021220102 its reverse (20102212001), we get a palindrome (30123432103).

The spelling of 10021220102 in words is "ten billion, twenty-one million, two hundred twenty thousand, one hundred two".