101221146340 has 12 divisors (see below), whose sum is σ = 212564407356. Its totient is φ = 40488458528.

The previous prime is 101221146329. The next prime is 101221146349. The reversal of 101221146340 is 43641122101.

It can be written as a sum of positive squares in 2 ways, for example, as 33400486564 + 67820659776 = 182758^2 + 260424^2 .

It is not an unprimeable number, because it can be changed into a prime (101221146349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2530528639 + ... + 2530528678.

It is an arithmetic number, because the mean of its divisors is an integer number (17713700613).

Almost surely, 2^101221146340 is an apocalyptic number.

101221146340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101221146340 is an abundant number, since it is smaller than the sum of its proper divisors (111343261016).

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

101221146340 is a wasteful number, since it uses less digits than its factorization.

101221146340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061057326 (or 5061057324 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 101221146340 its reverse (43641122101), we get a palindrome (144862268441).

The spelling of 101221146340 in words is "one hundred one billion, two hundred twenty-one million, one hundred forty-six thousand, three hundred forty".