122222202000001 has 4 divisors (see below), whose sum is σ = 122224057262404. Its totient is φ = 122220346737600.

The previous prime is 122222201999969. The next prime is 122222202000043. The reversal of 122222202000001 is 100000202222221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28592291174976 + 93629910825025 = 5347176^2 + 9676255^2 .

It is a cyclic number.

It is not a de Polignac number, because 122222202000001 - 2⁵ = 122222201999969 is a prime.

It is a super-5 number, since 5×122222202000001⁵ (a number of 72 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122222202010001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927532380 + ... + 927664141.

It is an arithmetic number, because the mean of its divisors is an integer number (30556014315601).

Almost surely, 2^{122222202000001} is an apocalyptic number.

It is an amenable number.

122222202000001 is a deficient number, since it is larger than the sum of its proper divisors (1855262403).

122222202000001 is an equidigital number, since it uses as much as digits as its factorization.

122222202000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855262402.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122222202000001 its reverse (100000202222221), we get a palindrome (222222404222222).

The spelling of 122222202000001 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two hundred two million, one", and thus it is an aban number.