151020101 has 2 divisors, whose sum is σ = 151020102.
Its totient is φ = 151020100.
The previous prime is 151020091. The next prime is 151020119. The reversal of 151020101 is 101020151.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 98109025 + 52911076 = 9905^2 + 7274^2
It is an emirp because it is prime and its reverse (101020151) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-151020101 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (151020301) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75510050 + 75510051.
It is an arithmetic number, because the mean of its divisors is an integer number (75510051).
Almost surely, 2151020101 is an apocalyptic number.
It is an amenable number.
151020101 is a deficient number, since it is larger than the sum of its proper divisors (1).
151020101 is an equidigital number, since it uses as much as digits as its factorization.
151020101 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10, while the sum is 11.
The square root of 151020101 is about 12289.0235983173.
The cubic root of 151020101 is about 532.5310301005.
Adding to 151020101 its reverse (101020151), we get a palindrome (252040252).
The spelling of 151020101 in words is "one hundred fifty-one million, twenty thousand, one hundred one".