101000020120221 has 8 divisors (see below), whose sum is σ = 136563407486784. Its totient is φ = 66384989750240.

The previous prime is 101000020120213. The next prime is 101000020120267. The reversal of 101000020120221 is 122021020000101.

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 101000020120221 - 2³ = 101000020120213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101000020120197 and 101000020120206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000020120201) 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, 237089248896 + ... + 237089249321.

It is an arithmetic number, because the mean of its divisors is an integer number (17070425935848).

Almost surely, 2^{101000020120221} is an apocalyptic number.

It is an amenable number.

101000020120221 is a deficient number, since it is larger than the sum of its proper divisors (35563387366563).

101000020120221 is an equidigital number, since it uses as much as digits as its factorization.

101000020120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474178498291.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101000020120221 its reverse (122021020000101), we get a palindrome (223021040120322).

The spelling of 101000020120221 in words is "one hundred one trillion, twenty million, one hundred twenty thousand, two hundred twenty-one".