120212201021 has 4 divisors (see below), whose sum is σ = 131140582944. Its totient is φ = 109283819100.

The previous prime is 120212201003. The next prime is 120212201029. The reversal of 120212201021 is 120102212021.

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 120212201021 - 2⁶ = 120212200957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120212200987 and 120212201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212201029) 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, 5464190945 + ... + 5464190966.

It is an arithmetic number, because the mean of its divisors is an integer number (32785145736).

Almost surely, 2^120212201021 is an apocalyptic number.

120212201021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120212201021 is a deficient number, since it is larger than the sum of its proper divisors (10928381923).

120212201021 is a wasteful number, since it uses less digits than its factorization.

120212201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10928381922.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120212201021 its reverse (120102212021), we get a palindrome (240314413042).

The spelling of 120212201021 in words is "one hundred twenty billion, two hundred twelve million, two hundred one thousand, twenty-one".