101221210120202 has 8 divisors (see below), whose sum is σ = 152081949968256. Its totient is φ = 50527226797452.

The previous prime is 101221210120189. The next prime is 101221210120207. The reversal of 101221210120202 is 202021012122101.

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

It is a super-3 number, since 3×101221210120202³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (101221210120207) 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, 41689129808 + ... + 41689132235.

It is an arithmetic number, because the mean of its divisors is an integer number (19010243746032).

Almost surely, 2^{101221210120202} is an apocalyptic number.

101221210120202 is a deficient number, since it is larger than the sum of its proper divisors (50860739848054).

101221210120202 is an equidigital number, since it uses as much as digits as its factorization.

101221210120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83378262652.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101221210120202 its reverse (202021012122101), we get a palindrome (303242222242303).

The spelling of 101221210120202 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred ten million, one hundred twenty thousand, two hundred two".