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102022020121 = 719759737617
BaseRepresentation
bin101111100000011111…
…1000111110000011001
3100202100002102121101211
41133000333013300121
53132420114120441
6114511313543121
710241125601620
oct1370077076031
9322302377354
10102022020121
113a2a385280a
1217932b74aa1
13980b6c6858
144d1b80c6b7
1529c19eba81
hex17c0fc7c19

102022020121 has 8 divisors (see below), whose sum is σ = 116602653440. Its totient is φ = 87442901568.

The previous prime is 102022020119. The next prime is 102022020143. The reversal of 102022020121 is 121020220201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102022020121 - 21 = 102022020119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102022020521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230496 + ... + 507121.

It is an arithmetic number, because the mean of its divisors is an integer number (14575331680).

Almost surely, 2102022020121 is an apocalyptic number.

It is an amenable number.

102022020121 is a deficient number, since it is larger than the sum of its proper divisors (14580633319).

102022020121 is an equidigital number, since it uses as much as digits as its factorization.

102022020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757383.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102022020121 its reverse (121020220201), we get a palindrome (223042240322).

The spelling of 102022020121 in words is "one hundred two billion, twenty-two million, twenty thousand, one hundred twenty-one".

Divisors: 1 7 19759 138313 737617 5163319 14574574303 102022020121