7001020211111 has 4 divisors (see below), whose sum is σ = 7003264850400. Its totient is φ = 6998775571824.

The previous prime is 7001020211099. The next prime is 7001020211123. The reversal of 7001020211111 is 1111120201007.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (7001020211099) and next prime (7001020211123).

It is a cyclic number.

It is not a de Polignac number, because 7001020211111 - 2⁴² = 2602973700007 is a prime.

It is a super-2 number, since 2×7001020211111² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7001020211111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7001020216111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1122314966 + ... + 1122321203.

It is an arithmetic number, because the mean of its divisors is an integer number (1750816212600).

Almost surely, 2^{7001020211111} is an apocalyptic number.

7001020211111 is a deficient number, since it is larger than the sum of its proper divisors (2244639289).

7001020211111 is a wasteful number, since it uses less digits than its factorization.

7001020211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244639288.

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 7001020211111 its reverse (1111120201007), we get a palindrome (8112140412118).

The spelling of 7001020211111 in words is "seven trillion, one billion, twenty million, two hundred eleven thousand, one hundred eleven".