10221210202102 has 8 divisors (see below), whose sum is σ = 15332438798856. Its totient is φ = 5110397269152.

The previous prime is 10221210202079. The next prime is 10221210202109. The reversal of 10221210202102 is 20120201212201.

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 (10221210202109) 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, 103854468 + ... + 103952839.

It is an arithmetic number, because the mean of its divisors is an integer number (1916554849857).

Almost surely, 2^{10221210202102} is an apocalyptic number.

10221210202102 is a deficient number, since it is larger than the sum of its proper divisors (5111228596754).

10221210202102 is a wasteful number, since it uses less digits than its factorization.

10221210202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207831902.

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

Adding to 10221210202102 its reverse (20120201212201), we get a palindrome (30341411414303).

The spelling of 10221210202102 in words is "ten trillion, two hundred twenty-one billion, two hundred ten million, two hundred two thousand, one hundred two".