101222220121000 has 64 divisors (see below), whose sum is σ = 258392721936960. Its totient is φ = 36808080040000.

The previous prime is 101222220120979. The next prime is 101222220121073. The reversal of 101222220121000 is 121022222101.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4600999006 + ... + 4601021005.

It is an arithmetic number, because the mean of its divisors is an integer number (4037386280265).

Almost surely, 2^{101222220121000} is an apocalyptic number.

101222220121000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101222220121000 is an abundant number, since it is smaller than the sum of its proper divisors (157170501815960).

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

101222220121000 is a wasteful number, since it uses less digits than its factorization.

101222220121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9202020043 (or 9202020029 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101222220121000 its reverse (121022222101), we get a palindrome (101343242343101).

The spelling of 101222220121000 in words is "one hundred one trillion, two hundred twenty-two billion, two hundred twenty million, one hundred twenty-one thousand".