21010102322 has 8 divisors (see below), whose sum is σ = 34380167472. Its totient is φ = 9550046500.

The previous prime is 21010102313. The next prime is 21010102367. The reversal of 21010102322 is 22320101012.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 21010102297 and 21010102306.

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, 477502304 + ... + 477502347.

It is an arithmetic number, because the mean of its divisors is an integer number (4297520934).

Almost surely, 2^21010102322 is an apocalyptic number.

21010102322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21010102322 is a deficient number, since it is larger than the sum of its proper divisors (13370065150).

21010102322 is a wasteful number, since it uses less digits than its factorization.

21010102322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955004664.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21010102322 its reverse (22320101012), we get a palindrome (43330203334).

The spelling of 21010102322 in words is "twenty-one billion, ten million, one hundred two thousand, three hundred twenty-two".