2021220001002 has 16 divisors (see below), whose sum is σ = 4118712455520. Its totient is φ = 661027924752.

The previous prime is 2021220000953. The next prime is 2021220001013. The reversal of 2021220001002 is 2001000221202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3178018552 + ... + 3178019187.

It is an arithmetic number, because the mean of its divisors is an integer number (257419528470).

Almost surely, 2^{2021220001002} is an apocalyptic number.

2021220001002 is an abundant number, since it is smaller than the sum of its proper divisors (2097492454518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021220001002 is a wasteful number, since it uses less digits than its factorization.

2021220001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6356037797.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2021220001002 its reverse (2001000221202), we get a palindrome (4022220222204).

The spelling of 2021220001002 in words is "two trillion, twenty-one billion, two hundred twenty million, one thousand, two".