100101001001210 has 48 divisors (see below), whose sum is σ = 198091825907976. Its totient is φ = 36392873616000.

The previous prime is 100101001001207. The next prime is 100101001001257. The reversal of 100101001001210 is 12100100101001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 98373408845569 + 1727592155641 = 9918337^2 + 1314379^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2627561 + ... + 14391180.

Almost surely, 2^{100101001001210} is an apocalyptic number.

100101001001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100101001001210 is a deficient number, since it is larger than the sum of its proper divisors (97990824906766).

100101001001210 is a wasteful number, since it uses less digits than its factorization.

100101001001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17023631 (or 17023620 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 100101001001210 its reverse (12100100101001), we get a palindrome (112201101102211).

The spelling of 100101001001210 in words is "one hundred trillion, one hundred one billion, one million, one thousand, two hundred ten".