10021211012111 has 16 divisors (see below), whose sum is σ = 10899328089888. Its totient is φ = 9158422800000.

The previous prime is 10021211012107. The next prime is 10021211012143. The reversal of 10021211012111 is 11121011212001.

It is a cyclic number.

It is not a de Polignac number, because 10021211012111 - 2² = 10021211012107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021211012011) 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, 39719861 + ... + 39971361.

It is an arithmetic number, because the mean of its divisors is an integer number (681208005618).

Almost surely, 2^{10021211012111} is an apocalyptic number.

10021211012111 is a deficient number, since it is larger than the sum of its proper divisors (878117077777).

10021211012111 is a wasteful number, since it uses less digits than its factorization.

10021211012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281962.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10021211012111 its reverse (11121011212001), we get a palindrome (21142222224112).

The spelling of 10021211012111 in words is "ten trillion, twenty-one billion, two hundred eleven million, twelve thousand, one hundred eleven".