2106911154 has 16 divisors (see below), whose sum is σ = 4241730240. Its totient is φ = 697652400.

The previous prime is 2106911143. The next prime is 2106911203. The reversal of 2106911154 is 4511196012.

It is a super-2 number, since 2×2106911154² = 8878149221699223432, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1161849 + ... + 1163660.

It is an arithmetic number, because the mean of its divisors is an integer number (265108140).

Almost surely, 2^2106911154 is an apocalyptic number.

2106911154 is an abundant number, since it is smaller than the sum of its proper divisors (2134819086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2106911154 is a wasteful number, since it uses less digits than its factorization.

2106911154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325665.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 2106911154 is about 45901.1018821989. The cubic root of 2106911154 is about 1281.9824330348.

It can be divided in two parts, 21069 and 11154, that added together give a palindrome (32223).

The spelling of 2106911154 in words is "two billion, one hundred six million, nine hundred eleven thousand, one hundred fifty-four".