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22101201001 = 1197103201101
BaseRepresentation
bin10100100101010101…
…011001000001101001
32010001021022100011001
4110211111121001221
5330230401413001
614053025235001
71411455052225
oct244525310151
963037270131
1022101201001
119411608480
124349792a61
132112ac6339
1410d93a5785
1589546e001
hex525559069

22101201001 has 16 divisors (see below), whose sum is σ = 24595579008. Its totient is φ = 19691712000.

The previous prime is 22101200981. The next prime is 22101201019. The reversal of 22101201001 is 10010210122.

It is a cyclic number.

It is not a de Polignac number, because 22101201001 - 25 = 22101200969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22101201061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9351 + ... + 210451.

It is an arithmetic number, because the mean of its divisors is an integer number (1537223688).

Almost surely, 222101201001 is an apocalyptic number.

It is an amenable number.

22101201001 is a deficient number, since it is larger than the sum of its proper divisors (2494378007).

22101201001 is a wasteful number, since it uses less digits than its factorization.

22101201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201312.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22101201001 its reverse (10010210122), we get a palindrome (32111411123).

The spelling of 22101201001 in words is "twenty-two billion, one hundred one million, two hundred one thousand, one".

Divisors: 1 11 97 103 1067 1133 9991 109901 201101 2212111 19506797 20713403 214574767 227847433 2009200091 22101201001