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BaseRepresentation
bin111000110100001011…
…1100110100100000101
3102122221002112101002110
41301220113212210011
53444334041231041
6132014535531233
711546344520103
oct1615027464405
9378832471073
10122010102021
1147820581565
121b790b29b19
13b67578a852
145c962b0c73
1532916b1516
hex1c685e6905

122010102021 has 8 divisors (see below), whose sum is σ = 162694295104. Its totient is φ = 81332988480.

The previous prime is 122010101977. The next prime is 122010102031. The reversal of 122010102021 is 120201010221.

Adding to 122010102021 its reverse (120201010221), we get a palindrome (242211112242).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122010102021 - 27 = 122010101893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122010101988 and 122010102006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122010102031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1729540 + ... + 1798701.

It is an arithmetic number, because the mean of its divisors is an integer number (20336786888).

Almost surely, 2122010102021 is an apocalyptic number.

It is an amenable number.

122010102021 is a deficient number, since it is larger than the sum of its proper divisors (40684193083).

122010102021 is a wasteful number, since it uses less digits than its factorization.

122010102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3539771.

The product of its (nonzero) digits is 16, while the sum is 12.

The spelling of 122010102021 in words is "one hundred twenty-two billion, ten million, one hundred two thousand, twenty-one".