1220100021014 has 128 divisors (see below), whose sum is σ = 2211837788160. Its totient is φ = 493844428800.

The previous prime is 1220100021013. The next prime is 1220100021053. The reversal of 1220100021014 is 4101200010221.

It is a happy number.

It is a super-2 number, since 2×1220100021014² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a self number, because there is not a number n which added to its sum of digits gives 1220100021014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220100021013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1508157842 + ... + 1508158650.

It is an arithmetic number, because the mean of its divisors is an integer number (17279982720).

Almost surely, 2^{1220100021014} is an apocalyptic number.

1220100021014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1220100021014 is a deficient number, since it is larger than the sum of its proper divisors (991737767146).

1220100021014 is a wasteful number, since it uses less digits than its factorization.

1220100021014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366.

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

Adding to 1220100021014 its reverse (4101200010221), we get a palindrome (5321300031235).

The spelling of 1220100021014 in words is "one trillion, two hundred twenty billion, one hundred million, twenty-one thousand, fourteen".