2220121000006 has 32 divisors (see below), whose sum is σ = 4099062945600. Its totient is φ = 878208621696.

The previous prime is 2220120999871. The next prime is 2220121000007. The reversal of 2220121000006 is 6000001210222.

It is a super-3 number, since 3×2220121000006³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220121000007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1435660 + ... + 2549776.

It is an arithmetic number, because the mean of its divisors is an integer number (128095717050).

Almost surely, 2^{2220121000006} is an apocalyptic number.

2220121000006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2220121000006 is a deficient number, since it is larger than the sum of its proper divisors (1878941945594).

2220121000006 is a wasteful number, since it uses less digits than its factorization.

2220121000006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125088.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2220121000006 its reverse (6000001210222), we get a palindrome (8220122210228).

The spelling of 2220121000006 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, six", and thus it is an aban number.