101213660 has 24 divisors (see below), whose sum is σ = 212992416. Its totient is φ = 40400960.

The previous prime is 101213657. The next prime is 101213663. The reversal of 101213660 is 66312101.

It is an interprime number because it is at equal distance from previous prime (101213657) and next prime (101213663).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101213663) 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, 5030 + ... + 15090.

It is an arithmetic number, because the mean of its divisors is an integer number (8874684).

Almost surely, 2^101213660 is an apocalyptic number.

101213660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a pronic number, being equal to 10060×10061.

It is an amenable number.

101213660 is an abundant number, since it is smaller than the sum of its proper divisors (111778756).

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

101213660 is a wasteful number, since it uses less digits than its factorization.

101213660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10573 (or 10571 counting only the distinct ones).

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

The square root of 101213660 is about 10060.4999875752. The cubic root of 101213660 is about 466.0291078234.

Adding to 101213660 its reverse (66312101), we get a palindrome (167525761).

The spelling of 101213660 in words is "one hundred one million, two hundred thirteen thousand, six hundred sixty".