101221704 has 32 divisors (see below), whose sum is σ = 281172000. Its totient is φ = 33740496.

The previous prime is 101221697. The next prime is 101221709. The reversal of 101221704 is 407122101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (101221709) 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, 234094 + ... + 234525.

It is an arithmetic number, because the mean of its divisors is an integer number (8786625).

Almost surely, 2^101221704 is an apocalyptic number.

It is an amenable number.

101221704 is an abundant number, since it is smaller than the sum of its proper divisors (179950296).

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

101221704 is a wasteful number, since it uses less digits than its factorization.

101221704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468634 (or 468624 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 101221704 is about 10060.8997609558. The cubic root of 101221704 is about 466.0414534522.

Adding to 101221704 its reverse (407122101), we get a palindrome (508343805).

The spelling of 101221704 in words is "one hundred one million, two hundred twenty-one thousand, seven hundred four".