101021220212309 has 8 divisors (see below), whose sum is σ = 101106618267840. Its totient is φ = 100935847504800.

The previous prime is 101021220212291. The next prime is 101021220212327. The reversal of 101021220212309 is 903212022120101.

It is an interprime number because it is at equal distance from previous prime (101021220212291) and next prime (101021220212327).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101021220212309 - 2¹² = 101021220208213 is a prime.

It is a super-2 number, since 2×101021220212309² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021220212909) 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, 1641344 + ... + 14308614.

It is an arithmetic number, because the mean of its divisors is an integer number (12638327283480).

Almost surely, 2^{101021220212309} is an apocalyptic number.

It is an amenable number.

101021220212309 is a deficient number, since it is larger than the sum of its proper divisors (85398055531).

101021220212309 is a wasteful number, since it uses less digits than its factorization.

101021220212309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12674011.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 101021220212309 in words is "one hundred one trillion, twenty-one billion, two hundred twenty million, two hundred twelve thousand, three hundred nine".