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122011121012101 = 660831846331447
BaseRepresentation
bin11011101111011111101101…
…100001101100110110000101
3121000000011000210202211112121
4123233133231201230312011
5111443012233434341401
61111255045111445541
734462004214553066
oct3357375541546605
9530004023684477
10122011121012101
1135970697a95a92
12118266a56868b1
1353107a39a8179
14221b5268d056d
15e18bc8b27ca1
hex6ef7ed86cd85

122011121012101 has 4 divisors (see below), whose sum is σ = 122012967409632. Its totient is φ = 122009274614572.

The previous prime is 122011121012093. The next prime is 122011121012197. The reversal of 122011121012101 is 101210121110221.

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.

It is a cyclic number.

It is not a de Polignac number, because 122011121012101 - 23 = 122011121012093 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 (122011121612101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923099641 + ... + 923231806.

It is an arithmetic number, because the mean of its divisors is an integer number (30503241852408).

Almost surely, 2122011121012101 is an apocalyptic number.

It is an amenable number.

122011121012101 is a deficient number, since it is larger than the sum of its proper divisors (1846397531).

122011121012101 is an equidigital number, since it uses as much as digits as its factorization.

122011121012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846397530.

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

Adding to 122011121012101 its reverse (101210121110221), we get a palindrome (223221242122322).

The spelling of 122011121012101 in words is "one hundred twenty-two trillion, eleven billion, one hundred twenty-one million, twelve thousand, one hundred one".

Divisors: 1 66083 1846331447 122011121012101