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122021210102 = 21117930985579
BaseRepresentation
bin111000110100100000…
…1111110011111110110
3102122221212102201111212
41301221001332133312
53444344412210402
6132020014001422
711546541113141
oct1615101763766
9378855381455
10122021210102
11478268791a0
121b7947a6272
13b677b7988c
145c97963058
153292657952
hex1c6907e7f6

122021210102 has 16 divisors (see below), whose sum is σ = 200786558400. Its totient is φ = 55154328840.

The previous prime is 122021210081. The next prime is 122021210149. The reversal of 122021210102 is 201012120221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15488852 + ... + 15496727.

It is an arithmetic number, because the mean of its divisors is an integer number (12549159900).

Almost surely, 2122021210102 is an apocalyptic number.

122021210102 is a deficient number, since it is larger than the sum of its proper divisors (78765348298).

122021210102 is a wasteful number, since it uses less digits than its factorization.

122021210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30985771.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122021210102 its reverse (201012120221), we get a palindrome (323033330323).

The spelling of 122021210102 in words is "one hundred twenty-two billion, twenty-one million, two hundred ten thousand, one hundred two".

Divisors: 1 2 11 22 179 358 1969 3938 30985579 61971158 340841369 681682738 5546418641 11092837282 61010605051 122021210102