1002111101211 has 16 divisors (see below), whose sum is σ = 1458346146048. Its totient is φ = 607035895200.

The previous prime is 1002111101183. The next prime is 1002111101219. The reversal of 1002111101211 is 1121011112001.

It is not a de Polignac number, because 1002111101211 - 2¹¹ = 1002111099163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002111101219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7537255 + ... + 7669056.

It is an arithmetic number, because the mean of its divisors is an integer number (91146634128).

Almost surely, 2^{1002111101211} is an apocalyptic number.

1002111101211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1002111101211 is a deficient number, since it is larger than the sum of its proper divisors (456235044837).

1002111101211 is a wasteful number, since it uses less digits than its factorization.

1002111101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15208322.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1002111101211 its reverse (1121011112001), we get a palindrome (2123122213212).

The spelling of 1002111101211 in words is "one trillion, two billion, one hundred eleven million, one hundred one thousand, two hundred eleven".