101010212232221 has 16 divisors (see below), whose sum is σ = 105558251506176. Its totient is φ = 96573351600000.

The previous prime is 101010212232187. The next prime is 101010212232233. The reversal of 101010212232221 is 122232212010101.

It is not a de Polignac number, because 101010212232221 - 2³⁴ = 100993032363037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101010212232193 and 101010212232202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010212232521) 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, 73838705 + ... + 75194246.

It is an arithmetic number, because the mean of its divisors is an integer number (6597390719136).

Almost surely, 2^{101010212232221} is an apocalyptic number.

It is an amenable number.

101010212232221 is a deficient number, since it is larger than the sum of its proper divisors (4548039273955).

101010212232221 is a wasteful number, since it uses less digits than its factorization.

101010212232221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149033324.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 101010212232221 its reverse (122232212010101), we get a palindrome (223242424242322).

The spelling of 101010212232221 in words is "one hundred one trillion, ten billion, two hundred twelve million, two hundred thirty-two thousand, two hundred twenty-one".