2211201201021 has 8 divisors (see below), whose sum is σ = 2948731930560. Its totient is φ = 1473902302752.

The previous prime is 2211201200959. The next prime is 2211201201023. The reversal of 2211201201021 is 1201021021122.

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

It is not a de Polignac number, because 2211201201021 - 2¹⁰ = 2211201199997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211201201023) 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, 57935560 + ... + 57973713.

It is an arithmetic number, because the mean of its divisors is an integer number (368591491320).

Almost surely, 2^{2211201201021} is an apocalyptic number.

It is an amenable number.

2211201201021 is a deficient number, since it is larger than the sum of its proper divisors (737530729539).

2211201201021 is a wasteful number, since it uses less digits than its factorization.

2211201201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115915635.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2211201201021 its reverse (1201021021122), we get a palindrome (3412222222143).

It can be divided in two parts, 221120 and 1201021, that added together give a triangular number (1422141 = T₁₆₈₆).

The spelling of 2211201201021 in words is "two trillion, two hundred eleven billion, two hundred one million, two hundred one thousand, twenty-one".