10021220231294 has 16 divisors (see below), whose sum is σ = 15044370247728. Its totient is φ = 5006430680832.

The previous prime is 10021220231257. The next prime is 10021220231317. The reversal of 10021220231294 is 49213202212001.

It is a happy number.

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, 40060334 + ... + 40309710.

It is an arithmetic number, because the mean of its divisors is an integer number (940273140483).

Almost surely, 2^{10021220231294} is an apocalyptic number.

10021220231294 is a deficient number, since it is larger than the sum of its proper divisors (5023150016434).

10021220231294 is a wasteful number, since it uses less digits than its factorization.

10021220231294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266059.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 10021220231294 its reverse (49213202212001), we get a palindrome (59234422443295).

The spelling of 10021220231294 in words is "ten trillion, twenty-one billion, two hundred twenty million, two hundred thirty-one thousand, two hundred ninety-four".