10021221202102 has 16 divisors (see below), whose sum is σ = 16560721990224. Its totient is φ = 4510000540000.

The previous prime is 10021221202067. The next prime is 10021221202121. The reversal of 10021221202102 is 20120212212001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2254998049 + ... + 2255002492.

It is an arithmetic number, because the mean of its divisors is an integer number (1035045124389).

Almost surely, 2^{10021221202102} is an apocalyptic number.

10021221202102 is a deficient number, since it is larger than the sum of its proper divisors (6539500788122).

10021221202102 is a wasteful number, since it uses less digits than its factorization.

10021221202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510000655.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10021221202102 its reverse (20120212212001), we get a palindrome (30141433414103).

The spelling of 10021221202102 in words is "ten trillion, twenty-one billion, two hundred twenty-one million, two hundred two thousand, one hundred two".