100001211010 has 16 divisors (see below), whose sum is σ = 180055796472. Its totient is φ = 39988569600.

The previous prime is 100001211001. The next prime is 100001211017. The reversal of 100001211010 is 10112100001.

It can be written as a sum of positive squares in 4 ways, for example, as 84874916889 + 15126294121 = 291333^2 + 122989^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100001210984 and 100001211002.

It is not an unprimeable number, because it can be changed into a prime (100001211017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1454061 + ... + 1521280.

Almost surely, 2^100001211010 is an apocalyptic number.

100001211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100001211010 is a deficient number, since it is larger than the sum of its proper divisors (80054585462).

100001211010 is a wasteful number, since it uses less digits than its factorization.

100001211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978709.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 100001211010 its reverse (10112100001), we get a palindrome (110113311011).

The spelling of 100001211010 in words is "one hundred billion, one million, two hundred eleven thousand, ten".