2114988121 has 3 divisors (see below), whose sum is σ = 2115034111. Its totient is φ = 2114942132.

The previous prime is 2114988103. The next prime is 2114988133. The reversal of 2114988121 is 1218894112.

The square root of 2114988121 is 45989.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 15515721 + 2099472400 = 3939^2 + 45820^2 .

It is not a de Polignac number, because 2114988121 - 2⁵ = 2114988089 is a prime.

It is a super-2 number, since 2×2114988121² = 8946349503942221282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2114988151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 22995 + ... + 68983.

Almost surely, 2^2114988121 is an apocalyptic number.

2114988121 is the 45989-th square number.

2114988121 is the 22995-th centered octagonal number.

It is an amenable number.

2114988121 is a deficient number, since it is larger than the sum of its proper divisors (45990).

2114988121 is an frugal number, since it uses more digits than its factorization.

2114988121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91978 (or 45989 counting only the distinct ones).

The product of its digits is 9216, while the sum is 37.

The cubic root of 2114988121 is about 1283.6185289739.

Multiplying 2114988121 by its product of digits (9216), we get a square (19491730523136 = 4414944²).

The spelling of 2114988121 in words is "two billion, one hundred fourteen million, nine hundred eighty-eight thousand, one hundred twenty-one".