1210101002111 has 8 divisors (see below), whose sum is σ = 1223571163920. Its totient is φ = 1196651144448.

The previous prime is 1210101002083. The next prime is 1210101002137. The reversal of 1210101002111 is 1112001010121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210101002111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210101002092 and 1210101002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210101002171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4956161 + ... + 5194586.

It is an arithmetic number, because the mean of its divisors is an integer number (152946395490).

Almost surely, 2^{1210101002111} is an apocalyptic number.

1210101002111 is a deficient number, since it is larger than the sum of its proper divisors (13470161809).

1210101002111 is a wasteful number, since it uses less digits than its factorization.

1210101002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10152073.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1210101002111 its reverse (1112001010121), we get a palindrome (2322102012232).

The spelling of 1210101002111 in words is "one trillion, two hundred ten billion, one hundred one million, two thousand, one hundred eleven".