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201000020122 = 21136979247069
BaseRepresentation
bin1011101100110010001…
…0001110100010011010
3201012211000222222012201
42323030202032202122
511243122001120442
6232201012000414
720343652660366
oct2731442164232
9635730888181
10201000020122
11782752a9110
1232b5660010a
1315c53565565
149a2ac362a6
15536615b7b7
hex2ecc88e89a

201000020122 has 16 divisors (see below), whose sum is σ = 328919349600. Its totient is φ = 91360805040.

The previous prime is 201000020099. The next prime is 201000020147. The reversal of 201000020122 is 221020000102.

It is a junction number, because it is equal to n+sod(n) for n = 201000020099 and 201000020108.

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, 690004 + ... + 937072.

It is an arithmetic number, because the mean of its divisors is an integer number (20557459350).

Almost surely, 2201000020122 is an apocalyptic number.

201000020122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201000020122 is a deficient number, since it is larger than the sum of its proper divisors (127919329478).

201000020122 is a wasteful number, since it uses less digits than its factorization.

201000020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284061.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 201000020122 its reverse (221020000102), we get a palindrome (422020020224).

The spelling of 201000020122 in words is "two hundred one billion, twenty thousand, one hundred twenty-two".

Divisors: 1 2 11 22 36979 73958 247069 406769 494138 813538 2717759 5435518 9136364551 18272729102 100500010061 201000020122