2141021212 has 24 divisors (see below), whose sum is σ = 4095770112. Its totient is φ = 971199600.

The previous prime is 2141021209. The next prime is 2141021219. The reversal of 2141021212 is 2121201412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141021219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27948 + ... + 71155.

It is an arithmetic number, because the mean of its divisors is an integer number (170657088).

Almost surely, 2^2141021212 is an apocalyptic number.

2141021212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2141021212 is a deficient number, since it is larger than the sum of its proper divisors (1954748900).

2141021212 is a wasteful number, since it uses less digits than its factorization.

2141021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99609 (or 99607 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2141021212 is about 46271.1704196036. The cubic root of 2141021212 is about 1288.8636933981.

Adding to 2141021212 its reverse (2121201412), we get a palindrome (4262222624).

The spelling of 2141021212 in words is "two billion, one hundred forty-one million, twenty-one thousand, two hundred twelve".