101101221222021 has 48 divisors (see below), whose sum is σ = 150513781012608. Its totient is φ = 65346786288000.

The previous prime is 101101221221977. The next prime is 101101221222031. The reversal of 101101221222021 is 120222122101101.

101101221222021 is a `hidden beast` number, since 101 + 101 + 221 + 2 + 220 + 21 = 666.

It is not a de Polignac number, because 101101221222021 - 2⁷ = 101101221221893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101101221221985 and 101101221222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101101221222031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 317468571 + ... + 317786871.

It is an arithmetic number, because the mean of its divisors is an integer number (3135703771096).

Almost surely, 2^{101101221222021} is an apocalyptic number.

It is an amenable number.

101101221222021 is a deficient number, since it is larger than the sum of its proper divisors (49412559790587).

101101221222021 is a wasteful number, since it uses less digits than its factorization.

101101221222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321722 (or 321719 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 101101221222021 its reverse (120222122101101), we get a palindrome (221323343323122).

It can be divided in two parts, 101101 and 221222021, that added together give a palindrome (221323122).

The spelling of 101101221222021 in words is "one hundred one trillion, one hundred one billion, two hundred twenty-one million, two hundred twenty-two thousand, twenty-one".