2012002221021 has 32 divisors (see below), whose sum is σ = 2984997318912. Its totient is φ = 1197683934720.

The previous prime is 2012002220993. The next prime is 2012002221077. The reversal of 2012002221021 is 1201222002102.

It is not a de Polignac number, because 2012002221021 - 2²⁹ = 2011465350109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012002221121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6708120 + ... + 7001633.

It is an arithmetic number, because the mean of its divisors is an integer number (93281166216).

Almost surely, 2^{2012002221021} is an apocalyptic number.

It is an amenable number.

2012002221021 is a deficient number, since it is larger than the sum of its proper divisors (972995097891).

2012002221021 is a wasteful number, since it uses less digits than its factorization.

2012002221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13709893.

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

Adding to 2012002221021 its reverse (1201222002102), we get a palindrome (3213224223123).

The spelling of 2012002221021 in words is "two trillion, twelve billion, two million, two hundred twenty-one thousand, twenty-one".