2032121020021 has 4 divisors (see below), whose sum is σ = 2120474107872. Its totient is φ = 1943767932172.

The previous prime is 2032121020003. The next prime is 2032121020117. The reversal of 2032121020021 is 1200201212302.

It is a happy number.

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 2032121020021 - 2³¹ = 2029973536373 is a prime.

It is a super-2 number, since 2×2032121020021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2032121019977 and 2032121020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2032121029021) 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, 44176543891 + ... + 44176543936.

It is an arithmetic number, because the mean of its divisors is an integer number (530118526968).

Almost surely, 2^{2032121020021} is an apocalyptic number.

It is an amenable number.

2032121020021 is a deficient number, since it is larger than the sum of its proper divisors (88353087851).

2032121020021 is an equidigital number, since it uses as much as digits as its factorization.

2032121020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88353087850.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2032121020021 its reverse (1200201212302), we get a palindrome (3232322232323).

The spelling of 2032121020021 in words is "two trillion, thirty-two billion, one hundred twenty-one million, twenty thousand, twenty-one".