20212002221001 has 8 divisors (see below), whose sum is σ = 28367722415520. Its totient is φ = 12765475086912.

The previous prime is 20212002220967. The next prime is 20212002221017. The reversal of 20212002221001 is 10012220021202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20212002221001 - 2⁶ = 20212002220937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20212002221101) 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, 177298265040 + ... + 177298265153.

It is an arithmetic number, because the mean of its divisors is an integer number (3545965301940).

Almost surely, 2^{20212002221001} is an apocalyptic number.

It is an amenable number.

20212002221001 is a deficient number, since it is larger than the sum of its proper divisors (8155720194519).

20212002221001 is a wasteful number, since it uses less digits than its factorization.

20212002221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354596530215.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20212002221001 its reverse (10012220021202), we get a palindrome (30224222242203).

The spelling of 20212002221001 in words is "twenty trillion, two hundred twelve billion, two million, two hundred twenty-one thousand, one".