2141220149 has 2 divisors, whose sum is σ = 2141220150. Its totient is φ = 2141220148.

The previous prime is 2141220119. The next prime is 2141220157. The reversal of 2141220149 is 9410221412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1383319249 + 757900900 = 37193^2 + 27530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2141220149 is a prime.

It is a super-3 number, since 3×2141220149³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2141220119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070610074 + 1070610075.

It is an arithmetic number, because the mean of its divisors is an integer number (1070610075).

Almost surely, 2^2141220149 is an apocalyptic number.

It is an amenable number.

2141220149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141220149 is an equidigital number, since it uses as much as digits as its factorization.

2141220149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2141220149 is about 46273.3200559458. The cubic root of 2141220149 is about 1288.9036112240.

The spelling of 2141220149 in words is "two billion, one hundred forty-one million, two hundred twenty thousand, one hundred forty-nine".