102020000201100 has 108 divisors (see below), whose sum is σ = 319973298262800. Its totient is φ = 27188549942400.

The previous prime is 102020000201087. The next prime is 102020000201101. The reversal of 102020000201100 is 1102000020201.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (102020000201101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 33505800 + ... + 36423599.

Almost surely, 2^{102020000201100} is an apocalyptic number.

102020000201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102020000201100 is an abundant number, since it is smaller than the sum of its proper divisors (217953298061700).

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

102020000201100 is a wasteful number, since it uses less digits than its factorization.

102020000201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69931040 (or 69931030 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 102020000201100 its reverse (1102000020201), we get a palindrome (103122000221301).

The spelling of 102020000201100 in words is "one hundred two trillion, twenty billion, two hundred one thousand, one hundred".