101222232021 has 12 divisors (see below), whose sum is σ = 150926339200. Its totient is φ = 65304665640.

The previous prime is 101222232019. The next prime is 101222232029. The reversal of 101222232021 is 120232222101.

101222232021 is a `hidden beast` number, since 101 + 2 + 222 + 320 + 21 = 666.

It is not a de Polignac number, because 101222232021 - 2¹ = 101222232019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101222231985 and 101222232003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222232029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181401571 + ... + 181402128.

Almost surely, 2^101222232021 is an apocalyptic number.

It is an amenable number.

101222232021 is a deficient number, since it is larger than the sum of its proper divisors (49704107179).

101222232021 is a wasteful number, since it uses less digits than its factorization.

101222232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362803736 (or 362803733 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 101222232021 its reverse (120232222101), we get a palindrome (221454454122).

The spelling of 101222232021 in words is "one hundred one billion, two hundred twenty-two million, two hundred thirty-two thousand, twenty-one".