120221212022101 has 4 divisors (see below), whose sum is σ = 120222747159372. Its totient is φ = 120219676884832.

The previous prime is 120221212022099. The next prime is 120221212022111. The reversal of 120221212022101 is 101220212122021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21742878881476 + 98478333140625 = 4662926^2 + 9923625^2 .

It is a cyclic number.

It is not a de Polignac number, because 120221212022101 - 2¹ = 120221212022099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221212022111) 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, 767451160 + ... + 767607793.

It is an arithmetic number, because the mean of its divisors is an integer number (30055686789843).

Almost surely, 2^{120221212022101} is an apocalyptic number.

It is an amenable number.

120221212022101 is a deficient number, since it is larger than the sum of its proper divisors (1535137271).

120221212022101 is an equidigital number, since it uses as much as digits as its factorization.

120221212022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535137270.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120221212022101 its reverse (101220212122021), we get a palindrome (221441424144122).

The spelling of 120221212022101 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred twelve million, twenty-two thousand, one hundred one".