100201220010 has 24 divisors (see below), whose sum is σ = 260523172260. Its totient is φ = 26720325312.

The previous prime is 100201220003. The next prime is 100201220057. The reversal of 100201220010 is 10022102001.

It can be written as a sum of positive squares in 2 ways, for example, as 97968374001 + 2232846009 = 312999^2 + 47253^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 100201219974 and 100201220001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 556673355 + ... + 556673534.

Almost surely, 2^100201220010 is an apocalyptic number.

100201220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100201220010 is an abundant number, since it is smaller than the sum of its proper divisors (160321952250).

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

100201220010 is a wasteful number, since it uses less digits than its factorization.

100201220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113346902 (or 1113346899 counting only the distinct ones).

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

Adding to 100201220010 its reverse (10022102001), we get a palindrome (110223322011).

The spelling of 100201220010 in words is "one hundred billion, two hundred one million, two hundred twenty thousand, ten".