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122012111020101 = 3757448511197881
BaseRepresentation
bin11011101111100000101000…
…100010010010000001000101
3121000000020120210122110012120
4123233200220202102001011
5111443021300410120401
61111255331235040153
734462040565516561
oct3357405042220105
9530006523573176
10122012111020101
1135971055904715
1211826921140059
135310900b27313
14221b5bc19a6a1
15e18c359d3836
hex6ef828892045

122012111020101 has 16 divisors (see below), whose sum is σ = 162901487302848. Its totient is φ = 81232076016000.

The previous prime is 122012111020003. The next prime is 122012111020183. The reversal of 122012111020101 is 101020111210221.

It is a happy number.

It is not a de Polignac number, because 122012111020101 - 213 = 122012111011909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012111020201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101257681 + ... + 102455561.

It is an arithmetic number, because the mean of its divisors is an integer number (10181342956428).

Almost surely, 2122012111020101 is an apocalyptic number.

It is an amenable number.

122012111020101 is a deficient number, since it is larger than the sum of its proper divisors (40889376282747).

122012111020101 is a wasteful number, since it uses less digits than its factorization.

122012111020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243492.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 122012111020101 its reverse (101020111210221), we get a palindrome (223032222230322).

The spelling of 122012111020101 in words is "one hundred twenty-two trillion, twelve billion, one hundred eleven million, twenty thousand, one hundred one".

Divisors: 1 3 757 2271 44851 134553 1197881 3593643 33952207 101856621 906795917 2720387751 53726160731 161178482193 40670703673367 122012111020101