101120220222221 has 4 divisors (see below), whose sum is σ = 101164435449792. Its totient is φ = 101076004994652.

The previous prime is 101120220222209. The next prime is 101120220222283. The reversal of 101120220222221 is 122222022021101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101120220222221 - 2²² = 101120216027917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101120220222193 and 101120220222202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101120220252221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22107610355 + ... + 22107614928.

It is an arithmetic number, because the mean of its divisors is an integer number (25291108862448).

Almost surely, 2^{101120220222221} is an apocalyptic number.

It is an amenable number.

101120220222221 is a deficient number, since it is larger than the sum of its proper divisors (44215227571).

101120220222221 is an equidigital number, since it uses as much as digits as its factorization.

101120220222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44215227570.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 101120220222221 its reverse (122222022021101), we get a palindrome (223342242243322).

The spelling of 101120220222221 in words is "one hundred one trillion, one hundred twenty billion, two hundred twenty million, two hundred twenty-two thousand, two hundred twenty-one".