102021120220002 has 16 divisors (see below), whose sum is σ = 214781305726560. Its totient is φ = 32217195858912.

The previous prime is 102021120219973. The next prime is 102021120220007. The reversal of 102021120220002 is 200022021120201.

It is not an unprimeable number, because it can be changed into a prime (102021120220007) 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, 447461053483 + ... + 447461053710.

It is an arithmetic number, because the mean of its divisors is an integer number (13423831607910).

Almost surely, 2^{102021120220002} is an apocalyptic number.

102021120220002 is an abundant number, since it is smaller than the sum of its proper divisors (112760185506558).

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

102021120220002 is a wasteful number, since it uses less digits than its factorization.

102021120220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894922107217.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102021120220002 its reverse (200022021120201), we get a palindrome (302043141340203).

The spelling of 102021120220002 in words is "one hundred two trillion, twenty-one billion, one hundred twenty million, two hundred twenty thousand, two".