1222021101120 has 224 divisors, whose sum is σ = 4090294665216. Its totient is φ = 308650137600.

The previous prime is 1222021101097. The next prime is 1222021101131. The reversal of 1222021101120 is 211011202221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1222021101120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 961885 + ... + 1835555.

Almost surely, 2^{1222021101120} is an apocalyptic number.

1222021101120 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 1222021101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2045147332608).

1222021101120 is an abundant number, since it is smaller than the sum of its proper divisors (2868273564096).

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

1222021101120 is a wasteful number, since it uses less digits than its factorization.

1222021101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873769 (or 873759 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1222021101120 its reverse (211011202221), we get a palindrome (1433032303341).

The spelling of 1222021101120 in words is "one trillion, two hundred twenty-two billion, twenty-one million, one hundred one thousand, one hundred twenty".