101216630 has 32 divisors (see below), whose sum is σ = 184757760. Its totient is φ = 39921280.

The previous prime is 101216611. The next prime is 101216639. The reversal of 101216630 is 36612101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101216639) 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, 376136 + ... + 376404.

It is an arithmetic number, because the mean of its divisors is an integer number (5773680).

Almost surely, 2^101216630 is an apocalyptic number.

101216630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101216630 is a deficient number, since it is larger than the sum of its proper divisors (83541130).

101216630 is a wasteful number, since it uses less digits than its factorization.

101216630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 101216630 is about 10060.6475934703. The cubic root of 101216630 is about 466.0336661439.

Adding to 101216630 its reverse (36612101), we get a palindrome (137828731).

The spelling of 101216630 in words is "one hundred one million, two hundred sixteen thousand, six hundred thirty".