21121014002 has 8 divisors (see below), whose sum is σ = 34561659312. Its totient is φ = 9600460900.

The previous prime is 21121013891. The next prime is 21121014017. The reversal of 21121014002 is 20041012112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480023024 + ... + 480023067.

It is an arithmetic number, because the mean of its divisors is an integer number (4320207414).

Almost surely, 2^21121014002 is an apocalyptic number.

21121014002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21121014002 is a deficient number, since it is larger than the sum of its proper divisors (13440645310).

21121014002 is a wasteful number, since it uses less digits than its factorization.

21121014002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960046104.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21121014002 its reverse (20041012112), we get a palindrome (41162026114).

The spelling of 21121014002 in words is "twenty-one billion, one hundred twenty-one million, fourteen thousand, two".