1001210221011 has 512 divisors, whose sum is σ = 2027775762432. Its totient is φ = 422337576960.

The previous prime is 1001210221009. The next prime is 1001210221013. The reversal of 1001210221011 is 1101220121001.

It is an interprime number because it is at equal distance from previous prime (1001210221009) and next prime (1001210221013).

It is not a de Polignac number, because 1001210221011 - 2¹ = 1001210221009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001210221013) by changing a digit.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 7308103735 + ... + 7308103871.

It is an arithmetic number, because the mean of its divisors is an integer number (3960499536).

Almost surely, 2^{1001210221011} is an apocalyptic number.

1001210221011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1001210221011 is an abundant number, since it is smaller than the sum of its proper divisors (1026565541421).

1001210221011 is a wasteful number, since it uses less digits than its factorization.

1001210221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1001210221011 its reverse (1101220121001), we get a palindrome (2102430342012).

It can be divided in two parts, 1001210 and 221011, that added together give a palindrome (1222221).

The spelling of 1001210221011 in words is "one trillion, one billion, two hundred ten million, two hundred twenty-one thousand, eleven".