1012202211111 has 16 divisors (see below), whose sum is σ = 1661049782784. Its totient is φ = 533908858464.

The previous prime is 1012202211107. The next prime is 1012202211121. The reversal of 1012202211111 is 1111122022101.

It is a happy number.

It is not a de Polignac number, because 1012202211111 - 2² = 1012202211107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012202211121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1853849931 + ... + 1853850476.

It is an arithmetic number, because the mean of its divisors is an integer number (103815611424).

Almost surely, 2^{1012202211111} is an apocalyptic number.

1012202211111 is a deficient number, since it is larger than the sum of its proper divisors (648847571673).

1012202211111 is a wasteful number, since it uses less digits than its factorization.

1012202211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707700430.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1012202211111 its reverse (1111122022101), we get a palindrome (2123324233212).

The spelling of 1012202211111 in words is "one trillion, twelve billion, two hundred two million, two hundred eleven thousand, one hundred eleven".