102021244242222 has 16 divisors (see below), whose sum is σ = 204051076054992. Its totient is φ = 34005650152320.

The previous prime is 102021244242221. The next prime is 102021244242263. The reversal of 102021244242222 is 222242442120201.

It is a happy number.

It is a super-2 number, since 2×102021244242222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102021244242222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021244242221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357660993 + ... + 357946124.

It is an arithmetic number, because the mean of its divisors is an integer number (12753192253437).

Almost surely, 2^{102021244242222} is an apocalyptic number.

102021244242222 is an abundant number, since it is smaller than the sum of its proper divisors (102029831812770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102021244242222 is a wasteful number, since it uses less digits than its factorization.

102021244242222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715630883.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 102021244242222 its reverse (222242442120201), we get a palindrome (324263686362423).

The spelling of 102021244242222 in words is "one hundred two trillion, twenty-one billion, two hundred forty-four million, two hundred forty-two thousand, two hundred twenty-two".