101602221 has 16 divisors (see below), whose sum is σ = 159817728. Its totient is φ = 56185200.

The previous prime is 101602211. The next prime is 101602231. The reversal of 101602221 is 122206101.

It is an interprime number because it is at equal distance from previous prime (101602211) and next prime (101602231).

It is not a de Polignac number, because 101602221 - 2¹³ = 101594029 is a prime.

It is a super-2 number, since 2×101602221² = 20646022624265682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101602221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101602211) 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, 77385 + ... + 78686.

It is an arithmetic number, because the mean of its divisors is an integer number (9988608).

Almost surely, 2^101602221 is an apocalyptic number.

It is an amenable number.

101602221 is a deficient number, since it is larger than the sum of its proper divisors (58215507).

101602221 is a wasteful number, since it uses less digits than its factorization.

101602221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156112.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 101602221 is about 10079.7927062018. The cubic root of 101602221 is about 466.6247109106.

Adding to 101602221 its reverse (122206101), we get a palindrome (223808322).

The spelling of 101602221 in words is "one hundred one million, six hundred two thousand, two hundred twenty-one".