102021220221202 has 8 divisors (see below), whose sum is σ = 162033702704316. Its totient is φ = 48009985986432.

The previous prime is 102021220221131. The next prime is 102021220221223. The reversal of 102021220221202 is 202122022120201.

It can be written as a sum of positive squares in 2 ways, for example, as 83945194189921 + 18076026031281 = 9162161^2 + 4251591^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 102021220221202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500312062043 + ... + 1500312062110.

Almost surely, 2^{102021220221202} is an apocalyptic number.

102021220221202 is a deficient number, since it is larger than the sum of its proper divisors (60012482483114).

102021220221202 is a wasteful number, since it uses less digits than its factorization.

102021220221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000624124172.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102021220221202 its reverse (202122022120201), we get a palindrome (304143242341403).

The spelling of 102021220221202 in words is "one hundred two trillion, twenty-one billion, two hundred twenty million, two hundred twenty-one thousand, two hundred two".