201121001022030 has 128 divisors (see below), whose sum is σ = 496247303623680. Its totient is φ = 52135453117440.

The previous prime is 201121001021987. The next prime is 201121001022091. The reversal of 201121001022030 is 30220100121102.

201121001022030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1952901919 + ... + 1953004901.

It is an arithmetic number, because the mean of its divisors is an integer number (3876932059560).

Almost surely, 2^{201121001022030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201121001022030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248123651811840).

201121001022030 is an abundant number, since it is smaller than the sum of its proper divisors (295126302601650).

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

201121001022030 is a wasteful number, since it uses less digits than its factorization.

201121001022030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108746.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 201121001022030 its reverse (30220100121102), we get a palindrome (231341101143132).

The spelling of 201121001022030 in words is "two hundred one trillion, one hundred twenty-one billion, one million, twenty-two thousand, thirty".