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122010203101 = 831470002447
BaseRepresentation
bin111000110100001011…
…1111111001111011101
3102122221002201111202011
41301220113333033131
53444334102444401
6132014542031221
711546345420563
oct1615027771735
9378832644664
10122010203101
11478206404a6
121b790b78511
13b6757c4867
145c962d9a33
1532916d1451
hex1c685ff3dd

122010203101 has 4 divisors (see below), whose sum is σ = 123480205632. Its totient is φ = 120540200572.

The previous prime is 122010203083. The next prime is 122010203153. The reversal of 122010203101 is 101302010221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101302010221 = 234404435227.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122010203101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122010203501) 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, 735001141 + ... + 735001306.

It is an arithmetic number, because the mean of its divisors is an integer number (30870051408).

Almost surely, 2122010203101 is an apocalyptic number.

It is an amenable number.

122010203101 is a deficient number, since it is larger than the sum of its proper divisors (1470002531).

122010203101 is an equidigital number, since it uses as much as digits as its factorization.

122010203101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470002530.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 122010203101 its reverse (101302010221), we get a palindrome (223312213322).

The spelling of 122010203101 in words is "one hundred twenty-two billion, ten million, two hundred three thousand, one hundred one".

Divisors: 1 83 1470002447 122010203101