201101121340 has 48 divisors (see below), whose sum is σ = 491749175232. Its totient is φ = 67648029696.

The previous prime is 201101121337. The next prime is 201101121343. The reversal of 201101121340 is 43121101102.

It is an interprime number because it is at equal distance from previous prime (201101121337) and next prime (201101121343).

It is a super-2 number, since 2×201101121340² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101121343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13543869 + ... + 13558708.

It is an arithmetic number, because the mean of its divisors is an integer number (10244774484).

Almost surely, 2^201101121340 is an apocalyptic number.

201101121340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201101121340 is an abundant number, since it is smaller than the sum of its proper divisors (290648053892).

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

201101121340 is a wasteful number, since it uses less digits than its factorization.

201101121340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27102646 (or 27102644 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 201101121340 its reverse (43121101102), we get a palindrome (244222222442).

The spelling of 201101121340 in words is "two hundred one billion, one hundred one million, one hundred twenty-one thousand, three hundred forty".