21141022302 has 16 divisors (see below), whose sum is σ = 46980049680. Its totient is φ = 7047007416.

The previous prime is 21141022271. The next prime is 21141022313. The reversal of 21141022302 is 20322014112.

It is a happy number.

21141022302 is a `hidden beast` number, since 21 + 1 + 410 + 2 + 230 + 2 = 666.

It is a super-2 number, since 2×21141022302² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195750153 + ... + 195750260.

It is an arithmetic number, because the mean of its divisors is an integer number (2936253105).

Almost surely, 2^21141022302 is an apocalyptic number.

21141022302 is an abundant number, since it is smaller than the sum of its proper divisors (25839027378).

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

21141022302 is a wasteful number, since it uses less digits than its factorization.

21141022302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391500424 (or 391500418 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 21141022302 its reverse (20322014112), we get a palindrome (41463036414).

The spelling of 21141022302 in words is "twenty-one billion, one hundred forty-one million, twenty-two thousand, three hundred two".