10122120111 has 8 divisors (see below), whose sum is σ = 13629785904. Its totient is φ = 6681267200.

The previous prime is 10122120101. The next prime is 10122120121. The reversal of 10122120111 is 11102122101.

It is an interprime number because it is at equal distance from previous prime (10122120101) and next prime (10122120121).

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 10122120111 - 2²⁶ = 10055011247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122120101) 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, 16702866 + ... + 16703471.

It is an arithmetic number, because the mean of its divisors is an integer number (1703723238).

Almost surely, 2^10122120111 is an apocalyptic number.

10122120111 is a deficient number, since it is larger than the sum of its proper divisors (3507665793).

10122120111 is a wasteful number, since it uses less digits than its factorization.

10122120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33406441.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10122120111 its reverse (11102122101), we get a palindrome (21224242212).

The spelling of 10122120111 in words is "ten billion, one hundred twenty-two million, one hundred twenty thousand, one hundred eleven".