1202001111111 has 16 divisors (see below), whose sum is σ = 1644462425088. Its totient is φ = 780501336000.

The previous prime is 1202001111089. The next prime is 1202001111127. The reversal of 1202001111111 is 1111111002021.

It is not a de Polignac number, because 1202001111111 - 2⁹ = 1202001110599 is a prime.

It is a super-2 number, since 2×1202001111111² (a number of 25 digits) contains 22 as substring.

1202001111111 is a modest number, since divided by 1111111 gives 120200 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202001115111) 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, 7975065 + ... + 8124386.

It is an arithmetic number, because the mean of its divisors is an integer number (102778901568).

Almost surely, 2^{1202001111111} is an apocalyptic number.

1202001111111 is a deficient number, since it is larger than the sum of its proper divisors (442461313977).

1202001111111 is a wasteful number, since it uses less digits than its factorization.

1202001111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16100102.

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

Adding to 1202001111111 its reverse (1111111002021), we get a palindrome (2313112113132).

The spelling of 1202001111111 in words is "one trillion, two hundred two billion, one million, one hundred eleven thousand, one hundred eleven".