30201111121220 has 96 divisors (see below), whose sum is σ = 68820237360000. Its totient is φ = 11066651679744.

The previous prime is 30201111121213. The next prime is 30201111121261. The reversal of 30201111121220 is 2212111110203.

It is a happy number.

It is a super-2 number, since 2×30201111121220² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22573232 + ... + 23873688.

It is an arithmetic number, because the mean of its divisors is an integer number (716877472500).

Almost surely, 2^{30201111121220} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30201111121220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34410118680000).

30201111121220 is an abundant number, since it is smaller than the sum of its proper divisors (38619126238780).

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

30201111121220 is a wasteful number, since it uses less digits than its factorization.

30201111121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301157 (or 1301155 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 30201111121220 its reverse (2212111110203), we get a palindrome (32413222231423).

The spelling of 30201111121220 in words is "thirty trillion, two hundred one billion, one hundred eleven million, one hundred twenty-one thousand, two hundred twenty".