10101222121111 has 8 divisors (see below), whose sum is σ = 11120611510800. Its totient is φ = 9098682143040.

The previous prime is 10101222121097. The next prime is 10101222121117. The reversal of 10101222121111 is 11112122210101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10101222121111 - 2⁵ = 10101222121079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101222121117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4212351646 + ... + 4212354043.

It is an arithmetic number, because the mean of its divisors is an integer number (1390076438850).

Almost surely, 2^{10101222121111} is an apocalyptic number.

10101222121111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10101222121111 is a deficient number, since it is larger than the sum of its proper divisors (1019389389689).

10101222121111 is a wasteful number, since it uses less digits than its factorization.

10101222121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8424705809.

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

Adding to 10101222121111 its reverse (11112122210101), we get a palindrome (21213344331212).

The spelling of 10101222121111 in words is "ten trillion, one hundred one billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred eleven".