1101211222220 has 24 divisors (see below), whose sum is σ = 2434256386800. Its totient is φ = 417301094592.

The previous prime is 1101211222213. The next prime is 1101211222283. The reversal of 1101211222220 is 222221121011.

It is a super-3 number, since 3×1101211222220³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1448961755 + ... + 1448962514.

It is an arithmetic number, because the mean of its divisors is an integer number (101427349450).

Almost surely, 2^{1101211222220} is an apocalyptic number.

1101211222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101211222220 is an abundant number, since it is smaller than the sum of its proper divisors (1333045164580).

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

1101211222220 is a wasteful number, since it uses less digits than its factorization.

1101211222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897924297 (or 2897924295 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1101211222220 its reverse (222221121011), we get a palindrome (1323432343231).

The spelling of 1101211222220 in words is "one trillion, one hundred one billion, two hundred eleven million, two hundred twenty-two thousand, two hundred twenty".