1021220100014 has 4 divisors (see below), whose sum is σ = 1531830150024. Its totient is φ = 510610050006.

The previous prime is 1021220099989. The next prime is 1021220100053. The reversal of 1021220100014 is 4100010221201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255305025002 + ... + 255305025005.

It is an arithmetic number, because the mean of its divisors is an integer number (382957537506).

Almost surely, 2^{1021220100014} is an apocalyptic number.

1021220100014 is a deficient number, since it is larger than the sum of its proper divisors (510610050010).

1021220100014 is an equidigital number, since it uses as much as digits as its factorization.

1021220100014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510610050009.

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

Adding to 1021220100014 its reverse (4100010221201), we get a palindrome (5121230321215).

The spelling of 1021220100014 in words is "one trillion, twenty-one billion, two hundred twenty million, one hundred thousand, fourteen".