1011412421120 has 40 divisors (see below), whose sum is σ = 2425019318964. Its totient is φ = 404564967424.

The previous prime is 1011412421119. The next prime is 1011412421141. The reversal of 1011412421120 is 211242141101.

It can be written as a sum of positive squares in 2 ways, for example, as 978136824064 + 33275597056 = 989008^2 + 182416^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1011412421092 and 1011412421101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197538929 + ... + 197544048.

Almost surely, 2^{1011412421120} is an apocalyptic number.

1011412421120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011412421120 is an abundant number, since it is smaller than the sum of its proper divisors (1413606897844).

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

1011412421120 is an frugal number, since it uses more digits than its factorization.

1011412421120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395083000 (or 395082984 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 1011412421120 its reverse (211242141101), we get a palindrome (1222654562221).

The spelling of 1011412421120 in words is "one trillion, eleven billion, four hundred twelve million, four hundred twenty-one thousand, one hundred twenty".