1101121011020 has 24 divisors (see below), whose sum is σ = 2312502562944. Its totient is φ = 440420130176.

The previous prime is 1101121011007. The next prime is 1101121011143. The reversal of 1101121011020 is 201101211011.

It is a super-2 number, since 2×1101121011020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101121010992 and 1101121011010.

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, 1446377 + ... + 2072256.

It is an arithmetic number, because the mean of its divisors is an integer number (96354273456).

Almost surely, 2^{1101121011020} is an apocalyptic number.

1101121011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101121011020 is an abundant number, since it is smaller than the sum of its proper divisors (1211381551924).

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

1101121011020 is a wasteful number, since it uses less digits than its factorization.

1101121011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534289 (or 3534287 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1101121011020 its reverse (201101211011), we get a palindrome (1302222222031).

The spelling of 1101121011020 in words is "one trillion, one hundred one billion, one hundred twenty-one million, eleven thousand, twenty".