102002220121002 has 32 divisors (see below), whose sum is σ = 204623537057280. Its totient is φ = 33897628139760.

The previous prime is 102002220120971. The next prime is 102002220121013. The reversal of 102002220121002 is 200121022200201.

It is a super-2 number, since 2×102002220121002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3105798 + ... + 14616785.

It is an arithmetic number, because the mean of its divisors is an integer number (6394485533040).

Almost surely, 2^{102002220121002} is an apocalyptic number.

102002220121002 is an abundant number, since it is smaller than the sum of its proper divisors (102621316936278).

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

102002220121002 is a wasteful number, since it uses less digits than its factorization.

102002220121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17725498.

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

Adding to 102002220121002 its reverse (200121022200201), we get a palindrome (302123242321203).

The spelling of 102002220121002 in words is "one hundred two trillion, two billion, two hundred twenty million, one hundred twenty-one thousand, two".