2141121970 has 32 divisors (see below), whose sum is σ = 4368934080. Its totient is φ = 748958400.

The previous prime is 2141121947. The next prime is 2141121971. The reversal of 2141121970 is 791211412.

It is not an unprimeable number, because it can be changed into a prime (2141121971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430956 + ... + 435895.

It is an arithmetic number, because the mean of its divisors is an integer number (136529190).

Almost surely, 2^2141121970 is an apocalyptic number.

2141121970 is an abundant number, since it is smaller than the sum of its proper divisors (2227812110).

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

2141121970 is a wasteful number, since it uses less digits than its factorization.

2141121970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866890.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 2141121970 is about 46272.2591840943. The cubic root of 2141121970 is about 1288.8839113655.

The spelling of 2141121970 in words is "two billion, one hundred forty-one million, one hundred twenty-one thousand, nine hundred seventy".