10001002221111 has 32 divisors (see below), whose sum is σ = 14592548982528. Its totient is φ = 6042217040640.

The previous prime is 10001002221101. The next prime is 10001002221127. The reversal of 10001002221111 is 11112220010001.

It is not a de Polignac number, because 10001002221111 - 2¹⁵ = 10001002188343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001002221101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21080731 + ... + 21549923.

It is an arithmetic number, because the mean of its divisors is an integer number (456017155704).

Almost surely, 2^{10001002221111} is an apocalyptic number.

10001002221111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10001002221111 is a deficient number, since it is larger than the sum of its proper divisors (4591546761417).

10001002221111 is a wasteful number, since it uses less digits than its factorization.

10001002221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471231.

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

Adding to 10001002221111 its reverse (11112220010001), we get a palindrome (21113222231112).

The spelling of 10001002221111 in words is "ten trillion, one billion, two million, two hundred twenty-one thousand, one hundred eleven".