10221131294 has 8 divisors (see below), whose sum is σ = 16725487608. Its totient is φ = 4645968760.

The previous prime is 10221131191. The next prime is 10221131317. The reversal of 10221131294 is 49213112201.

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

It is a super-2 number, since 2×10221131294² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 232298417 + ... + 232298460.

It is an arithmetic number, because the mean of its divisors is an integer number (2090685951).

Almost surely, 2^10221131294 is an apocalyptic number.

10221131294 is a deficient number, since it is larger than the sum of its proper divisors (6504356314).

10221131294 is a wasteful number, since it uses less digits than its factorization.

10221131294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464596890.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 10221131294 its reverse (49213112201), we get a palindrome (59434243495).

The spelling of 10221131294 in words is "ten billion, two hundred twenty-one million, one hundred thirty-one thousand, two hundred ninety-four".