1101211122020 has 48 divisors (see below), whose sum is σ = 2432182007808. Its totient is φ = 418232330880.

The previous prime is 1101211121993. The next prime is 1101211122101. The reversal of 1101211122020 is 202211121011.

It is a junction number, because it is equal to n+sod(n) for n = 1101211121986 and 1101211122004.

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, 16723244 + ... + 16788963.

It is an arithmetic number, because the mean of its divisors is an integer number (50670458496).

Almost surely, 2^{1101211122020} is an apocalyptic number.

1101211122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101211122020 is an abundant number, since it is smaller than the sum of its proper divisors (1330970885788).

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

1101211122020 is a wasteful number, since it uses less digits than its factorization.

1101211122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33512300 (or 33512298 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1101211122020 its reverse (202211121011), we get a palindrome (1303422243031).

The spelling of 1101211122020 in words is "one trillion, one hundred one billion, two hundred eleven million, one hundred twenty-two thousand, twenty".