202111101030 has 128 divisors (see below), whose sum is σ = 524983680000. Its totient is φ = 49624026624.

The previous prime is 202111101029. The next prime is 202111101037. The reversal of 202111101030 is 30101111202.

It is a super-3 number, since 3×202111101030³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202111100997 and 202111101015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202111101037) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20726596 + ... + 20736344.

It is an arithmetic number, because the mean of its divisors is an integer number (4101435000).

Almost surely, 2^202111101030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202111101030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262491840000).

202111101030 is an abundant number, since it is smaller than the sum of its proper divisors (322872578970).

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

202111101030 is a wasteful number, since it uses less digits than its factorization.

202111101030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10798.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 202111101030 its reverse (30101111202), we get a palindrome (232212212232).

The spelling of 202111101030 in words is "two hundred two billion, one hundred eleven million, one hundred one thousand, thirty".