1121414402020 has 144 divisors (see below), whose sum is σ = 2747981666304. Its totient is φ = 382792115200.

The previous prime is 1121414401981. The next prime is 1121414402047. The reversal of 1121414402020 is 202044141211.

It is a super-2 number, since 2×1121414402020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1121414401982 and 1121414402000.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15721035 + ... + 15792205.

It is an arithmetic number, because the mean of its divisors is an integer number (19083206016).

Almost surely, 2^{1121414402020} is an apocalyptic number.

1121414402020 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 1121414402020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1373990833152).

1121414402020 is an abundant number, since it is smaller than the sum of its proper divisors (1626567264284).

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

1121414402020 is a wasteful number, since it uses less digits than its factorization.

1121414402020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71602 (or 71589 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1121414402020 its reverse (202044141211), we get a palindrome (1323458543231).

The spelling of 1121414402020 in words is "one trillion, one hundred twenty-one billion, four hundred fourteen million, four hundred two thousand, twenty".