1002012022111 has 4 divisors (see below), whose sum is σ = 1029093428152. Its totient is φ = 974930616072.

The previous prime is 1002012022091. The next prime is 1002012022189. The reversal of 1002012022111 is 1112202102001.

1002012022111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1002012022111 - 2²¹ = 1002009924959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002012022091 and 1002012022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002012026111) 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, 13540702965 + ... + 13540703038.

It is an arithmetic number, because the mean of its divisors is an integer number (257273357038).

Almost surely, 2^{1002012022111} is an apocalyptic number.

1002012022111 is a deficient number, since it is larger than the sum of its proper divisors (27081406041).

1002012022111 is an equidigital number, since it uses as much as digits as its factorization.

1002012022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27081406040.

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

Adding to 1002012022111 its reverse (1112202102001), we get a palindrome (2114214124112).

The spelling of 1002012022111 in words is "one trillion, two billion, twelve million, twenty-two thousand, one hundred eleven".