100102010 has 32 divisors (see below), whose sum is σ = 184833792. Its totient is φ = 39015360.

The previous prime is 100101973. The next prime is 100102019. The reversal of 100102010 is 10201001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 100101985 and 100102003.

It is not an unprimeable number, because it can be changed into a prime (100102019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175025 + ... + 175595.

It is an arithmetic number, because the mean of its divisors is an integer number (5776056).

Almost surely, 2^100102010 is an apocalyptic number.

100102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100102010 is a deficient number, since it is larger than the sum of its proper divisors (84731782).

100102010 is a wasteful number, since it uses less digits than its factorization.

100102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 100102010 is about 10005.0991999080. The cubic root of 100102010 is about 464.3166592167.

Adding to 100102010 its reverse (10201001), we get a palindrome (110303011).

The spelling of 100102010 in words is "one hundred million, one hundred two thousand, ten".