201101120420 has 48 divisors (see below), whose sum is σ = 428688821568. Its totient is φ = 79226294400.

The previous prime is 201101120411. The next prime is 201101120431. The reversal of 201101120420 is 24021101102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201101120395 and 201101120404.

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, 12069095 + ... + 12085745.

It is an arithmetic number, because the mean of its divisors is an integer number (8931017116).

Almost surely, 2^201101120420 is an apocalyptic number.

201101120420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201101120420 is an abundant number, since it is smaller than the sum of its proper divisors (227587701148).

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

201101120420 is a wasteful number, since it uses less digits than its factorization.

201101120420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25740 (or 25738 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201101120420 its reverse (24021101102), we get a palindrome (225122221522).

The spelling of 201101120420 in words is "two hundred one billion, one hundred one million, one hundred twenty thousand, four hundred twenty".