221002021001011 has 8 divisors (see below), whose sum is σ = 224156750043744. Its totient is φ = 217848459306240.

The previous prime is 221002021000993. The next prime is 221002021001053. The reversal of 221002021001011 is 110100120200122.

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 221002021001011 - 2²¹ = 221002018903859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221002021000982 and 221002021001000.

It is not an unprimeable number, because it can be changed into a prime (221002021091011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291455646 + ... + 292212931.

It is an arithmetic number, because the mean of its divisors is an integer number (28019593755468).

Almost surely, 2^{221002021001011} is an apocalyptic number.

221002021001011 is a deficient number, since it is larger than the sum of its proper divisors (3154729042733).

221002021001011 is an equidigital number, since it uses as much as digits as its factorization.

221002021001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583673981.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221002021001011 its reverse (110100120200122), we get a palindrome (331102141201133).

The spelling of 221002021001011 in words is "two hundred twenty-one trillion, two billion, twenty-one million, one thousand, eleven".