21021411202 has 16 divisors (see below), whose sum is σ = 34912088352. Its totient is φ = 9412571520.

The previous prime is 21021411199. The next prime is 21021411211. The reversal of 21021411202 is 20211412012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7129263 + ... + 7132210.

It is an arithmetic number, because the mean of its divisors is an integer number (2182005522).

Almost surely, 2^21021411202 is an apocalyptic number.

21021411202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21021411202 is a deficient number, since it is larger than the sum of its proper divisors (13890677150).

21021411202 is a wasteful number, since it uses less digits than its factorization.

21021411202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14261553.

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

Adding to 21021411202 its reverse (20211412012), we get a palindrome (41232823214).

It can be divided in two parts, 210 and 21411202, that added together give a palindrome (21411412).

The spelling of 21021411202 in words is "twenty-one billion, twenty-one million, four hundred eleven thousand, two hundred two".