10000122220000 has 480 divisors, whose sum is σ = 27601116415488. Its totient is φ = 3533760000000.

The previous prime is 10000122219979. The next prime is 10000122220043. The reversal of 10000122220000 is 2222100001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2444417955 + ... + 2444422045.

Almost surely, 2^{10000122220000} is an apocalyptic number.

10000122220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10000122220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13800558207744).

10000122220000 is an abundant number, since it is smaller than the sum of its proper divisors (17600994195488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10000122220000 is a wasteful number, since it uses less digits than its factorization.

10000122220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444 (or 4421 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10000122220000 its reverse (2222100001), we get a palindrome (10002344320001).

The spelling of 10000122220000 in words is "ten trillion, one hundred twenty-two million, two hundred twenty thousand".