2111352156101 has 8 divisors (see below), whose sum is σ = 2235610079640. Its totient is φ = 1987100981248.

The previous prime is 2111352156083. The next prime is 2111352156107. The reversal of 2111352156101 is 1016512531112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1019546595076 + 1091805561025 = 1009726^2 + 1044895^2 .

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 2111352156101 - 2¹⁸ = 2111351893957 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 (2111352156107) 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, 1035866 + ... + 2301243.

It is an arithmetic number, because the mean of its divisors is an integer number (279451259955).

Almost surely, 2^{2111352156101} is an apocalyptic number.

It is an amenable number.

2111352156101 is a deficient number, since it is larger than the sum of its proper divisors (124257923539).

2111352156101 is a wasteful number, since it uses less digits than its factorization.

2111352156101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374343.

The product of its (nonzero) digits is 1800, while the sum is 29.

Adding to 2111352156101 its reverse (1016512531112), we get a palindrome (3127864687213).

The spelling of 2111352156101 in words is "two trillion, one hundred eleven billion, three hundred fifty-two million, one hundred fifty-six thousand, one hundred one".