2141121031 has 4 divisors (see below), whose sum is σ = 2446995472. Its totient is φ = 1835246592.

The previous prime is 2141121019. The next prime is 2141121043. The reversal of 2141121031 is 1301211412.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2141121019) and next prime (2141121043).

It is a cyclic number.

It is not a de Polignac number, because 2141121031 - 2⁷ = 2141120903 is a prime.

It is a super-2 number, since 2×2141121031² = 9168798538781005922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2141120996 and 2141121014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141124031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152937210 + ... + 152937223.

It is an arithmetic number, because the mean of its divisors is an integer number (611748868).

Almost surely, 2^2141121031 is an apocalyptic number.

2141121031 is a deficient number, since it is larger than the sum of its proper divisors (305874441).

2141121031 is an equidigital number, since it uses as much as digits as its factorization.

2141121031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305874440.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 2141121031 is about 46272.2490376251. The cubic root of 2141121031 is about 1288.8837229499.

Adding to 2141121031 its reverse (1301211412), we get a palindrome (3442332443).

The spelling of 2141121031 in words is "two billion, one hundred forty-one million, one hundred twenty-one thousand, thirty-one".