102100100121202 has 8 divisors (see below), whose sum is σ = 153604601667036. Its totient is φ = 50898566232192.

The previous prime is 102100100121163. The next prime is 102100100121209. The reversal of 102100100121202 is 202121001001201.

It can be written as a sum of positive squares in 2 ways, for example, as 94342543834081 + 7757556287121 = 9713009^2 + 2785239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (102100100121209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75741913363 + ... + 75741914710.

Almost surely, 2^{102100100121202} is an apocalyptic number.

102100100121202 is a deficient number, since it is larger than the sum of its proper divisors (51504501545834).

102100100121202 is a wasteful number, since it uses less digits than its factorization.

102100100121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151483828412.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102100100121202 its reverse (202121001001201), we get a palindrome (304221101122403).

The spelling of 102100100121202 in words is "one hundred two trillion, one hundred billion, one hundred million, one hundred twenty-one thousand, two hundred two".