102000000221200 has 120 divisors (see below), whose sum is σ = 251047957263488. Its totient is φ = 39804438320640.

The previous prime is 102000000221131. The next prime is 102000000221209. The reversal of 102000000221200 is 2122000000201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (102000000221209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11195497 + ... + 18147703.

Almost surely, 2^{102000000221200} is an apocalyptic number.

102000000221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102000000221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125523978631744).

102000000221200 is an abundant number, since it is smaller than the sum of its proper divisors (149047957042288).

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

102000000221200 is a wasteful number, since it uses less digits than its factorization.

102000000221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6953121 (or 6953110 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 102000000221200 its reverse (2122000000201), we get a palindrome (104122000221401).

The spelling of 102000000221200 in words is "one hundred two trillion, two hundred twenty-one thousand, two hundred".