102100121200010 has 8 divisors (see below), whose sum is σ = 183780218160036. Its totient is φ = 40840048480000.

The previous prime is 102100121199929. The next prime is 102100121200109. The reversal of 102100121200010 is 10002121001201.

It can be written as a sum of positive squares in 2 ways, for example, as 97232674799569 + 4867446400441 = 9860663^2 + 2206229^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 102100121199964 and 102100121200000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5105006059991 + ... + 5105006060010.

Almost surely, 2^{102100121200010} is an apocalyptic number.

102100121200010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102100121200010 is a deficient number, since it is larger than the sum of its proper divisors (81680096960026).

102100121200010 is a wasteful number, since it uses less digits than its factorization.

102100121200010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10210012120008.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102100121200010 its reverse (10002121001201), we get a palindrome (112102242201211).

The spelling of 102100121200010 in words is "one hundred two trillion, one hundred billion, one hundred twenty-one million, two hundred thousand, ten".