1010021211111 has 64 divisors (see below), whose sum is σ = 1500977060352. Its totient is φ = 599040000000.

The previous prime is 1010021211029. The next prime is 1010021211113. The reversal of 1010021211111 is 1111121200101.

It is not a de Polignac number, because 1010021211111 - 2¹¹ = 1010021209063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010021211113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 112207611 + ... + 112216611.

It is an arithmetic number, because the mean of its divisors is an integer number (23452766568).

Almost surely, 2^{1010021211111} is an apocalyptic number.

1010021211111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1010021211111 is a deficient number, since it is larger than the sum of its proper divisors (490955849241).

1010021211111 is a wasteful number, since it uses less digits than its factorization.

1010021211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9504.

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

Adding to 1010021211111 its reverse (1111121200101), we get a palindrome (2121142411212).

The spelling of 1010021211111 in words is "one trillion, ten billion, twenty-one million, two hundred eleven thousand, one hundred eleven".