2010001222021 has 8 divisors (see below), whose sum is σ = 2178951912704. Its totient is φ = 1843098418800.

The previous prime is 2010001221931. The next prime is 2010001222067. The reversal of 2010001222021 is 1202221000102.

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 2010001222021 - 2²³ = 2009992833413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010001221992 and 2010001222010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010001222421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511969821 + ... + 511973746.

It is an arithmetic number, because the mean of its divisors is an integer number (272368989088).

Almost surely, 2^{2010001222021} is an apocalyptic number.

It is an amenable number.

2010001222021 is a deficient number, since it is larger than the sum of its proper divisors (168950690683).

2010001222021 is a wasteful number, since it uses less digits than its factorization.

2010001222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023943731.

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

Adding to 2010001222021 its reverse (1202221000102), we get a palindrome (3212222222123).

The spelling of 2010001222021 in words is "two trillion, ten billion, one million, two hundred twenty-two thousand, twenty-one".