2120221020001 has 8 divisors (see below), whose sum is σ = 2430430313024. Its totient is φ = 1811841870960.

The previous prime is 2120221019999. The next prime is 2120221020013. The reversal of 2120221020001 is 1000201220212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2120221020001 - 2¹ = 2120221019999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120221029001) 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, 457533510 + ... + 457538143.

It is an arithmetic number, because the mean of its divisors is an integer number (303803789128).

Almost surely, 2^{2120221020001} is an apocalyptic number.

It is an amenable number.

2120221020001 is a deficient number, since it is larger than the sum of its proper divisors (310209293023).

2120221020001 is an equidigital number, since it uses as much as digits as its factorization.

2120221020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915071991.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2120221020001 its reverse (1000201220212), we get a palindrome (3120422240213).

The spelling of 2120221020001 in words is "two trillion, one hundred twenty billion, two hundred twenty-one million, twenty thousand, one".